Home / 7,344.75-10,131.76-4,651.05

Finding the Fourth Proportional to 7,344.75, 10,131.76 and 4,651.05

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Solution

The fourth proportional to 7,344.75, 10,131.76 and 4,651.05 is: 6,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.75 : 10,131.76 = 4,651.05 : x
  2. Step 2: Convert to fraction form
    7,344.75/10,131.76 = 4,651.05/x
  3. Step 3: Cross multiply
    7,344.75x = 10,131.76 × 4,651.05
  4. Step 4: Simplify right side
    7,344.75x = 47,123,322.35
  5. Step 5: Solve for x
    x = 47,123,322.35/7,344.75
  6. Step 6: Final answer
    x = 6,415.92

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Half scale
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Double scale
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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.