Home / 5,351.43-7,387.02-4,790.91

Finding the Fourth Proportional to 5,351.43, 7,387.02 and 4,790.91

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Solution

The fourth proportional to 5,351.43, 7,387.02 and 4,790.91 is: 6,613.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.43 : 7,387.02 = 4,790.91 : x
  2. Step 2: Convert to fraction form
    5,351.43/7,387.02 = 4,790.91/x
  3. Step 3: Cross multiply
    5,351.43x = 7,387.02 × 4,790.91
  4. Step 4: Simplify right side
    5,351.43x = 35,390,547.99
  5. Step 5: Solve for x
    x = 35,390,547.99/5,351.43
  6. Step 6: Final answer
    x = 6,613.29

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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.