Home / 8,869.20-13,312.19-6,522.06

Finding the Fourth Proportional to 8,869.20, 13,312.19 and 6,522.06

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Solution

The fourth proportional to 8,869.20, 13,312.19 and 6,522.06 is: 9,789.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.20 : 13,312.19 = 6,522.06 : x
  2. Step 2: Convert to fraction form
    8,869.20/13,312.19 = 6,522.06/x
  3. Step 3: Cross multiply
    8,869.20x = 13,312.19 × 6,522.06
  4. Step 4: Simplify right side
    8,869.20x = 86,822,869.30
  5. Step 5: Solve for x
    x = 86,822,869.30/8,869.20
  6. Step 6: Final answer
    x = 9,789.26

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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.