Home / 4,457.36-6,154.08-2,781.20

Finding the Fourth Proportional to 4,457.36, 6,154.08 and 2,781.20

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Solution

The fourth proportional to 4,457.36, 6,154.08 and 2,781.20 is: 3,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.36 : 6,154.08 = 2,781.20 : x
  2. Step 2: Convert to fraction form
    4,457.36/6,154.08 = 2,781.20/x
  3. Step 3: Cross multiply
    4,457.36x = 6,154.08 × 2,781.20
  4. Step 4: Simplify right side
    4,457.36x = 17,115,727.30
  5. Step 5: Solve for x
    x = 17,115,727.30/4,457.36
  6. Step 6: Final answer
    x = 3,839.88

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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.