Home / 6,547.28-9,821.26-2,387.20

Finding the Fourth Proportional to 6,547.28, 9,821.26 and 2,387.20

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Solution

The fourth proportional to 6,547.28, 9,821.26 and 2,387.20 is: 3,580.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,547.28 : 9,821.26 = 2,387.20 : x
  2. Step 2: Convert to fraction form
    6,547.28/9,821.26 = 2,387.20/x
  3. Step 3: Cross multiply
    6,547.28x = 9,821.26 × 2,387.20
  4. Step 4: Simplify right side
    6,547.28x = 23,445,311.87
  5. Step 5: Solve for x
    x = 23,445,311.87/6,547.28
  6. Step 6: Final answer
    x = 3,580.92

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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.