Home / 4,574.12-6,860.57-1,287.49

Finding the Fourth Proportional to 4,574.12, 6,860.57 and 1,287.49

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Solution

The fourth proportional to 4,574.12, 6,860.57 and 1,287.49 is: 1,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.12 : 6,860.57 = 1,287.49 : x
  2. Step 2: Convert to fraction form
    4,574.12/6,860.57 = 1,287.49/x
  3. Step 3: Cross multiply
    4,574.12x = 6,860.57 × 1,287.49
  4. Step 4: Simplify right side
    4,574.12x = 8,832,926.52
  5. Step 5: Solve for x
    x = 8,832,926.52/4,574.12
  6. Step 6: Final answer
    x = 1,931.07

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.