Home / 8,547.20-12,822.60-3,614.30

Finding the Fourth Proportional to 8,547.20, 12,822.60 and 3,614.30

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Solution

The fourth proportional to 8,547.20, 12,822.60 and 3,614.30 is: 5,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.20 : 12,822.60 = 3,614.30 : x
  2. Step 2: Convert to fraction form
    8,547.20/12,822.60 = 3,614.30/x
  3. Step 3: Cross multiply
    8,547.20x = 12,822.60 × 3,614.30
  4. Step 4: Simplify right side
    8,547.20x = 46,344,723.18
  5. Step 5: Solve for x
    x = 46,344,723.18/8,547.20
  6. Step 6: Final answer
    x = 5,422.21

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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.