Home / 8,065.44-11,130.48-4,528.71

Finding the Fourth Proportional to 8,065.44, 11,130.48 and 4,528.71

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Solution

The fourth proportional to 8,065.44, 11,130.48 and 4,528.71 is: 6,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.44 : 11,130.48 = 4,528.71 : x
  2. Step 2: Convert to fraction form
    8,065.44/11,130.48 = 4,528.71/x
  3. Step 3: Cross multiply
    8,065.44x = 11,130.48 × 4,528.71
  4. Step 4: Simplify right side
    8,065.44x = 50,406,716.08
  5. Step 5: Solve for x
    x = 50,406,716.08/8,065.44
  6. Step 6: Final answer
    x = 6,249.72

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Half scale
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Double scale
Find fourth proportional to 8,066.44, 11,131.86 and 4,529.71
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.