Home / 8,547.40-12,820.18-3,000.92

Finding the Fourth Proportional to 8,547.40, 12,820.18 and 3,000.92

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Solution

The fourth proportional to 8,547.40, 12,820.18 and 3,000.92 is: 4,501.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.40 : 12,820.18 = 3,000.92 : x
  2. Step 2: Convert to fraction form
    8,547.40/12,820.18 = 3,000.92/x
  3. Step 3: Cross multiply
    8,547.40x = 12,820.18 × 3,000.92
  4. Step 4: Simplify right side
    8,547.40x = 38,472,334.57
  5. Step 5: Solve for x
    x = 38,472,334.57/8,547.40
  6. Step 6: Final answer
    x = 4,501.06

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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.