Home / 8,817.04-13,207.92-5,305.10

Finding the Fourth Proportional to 8,817.04, 13,207.92 and 5,305.10

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Solution

The fourth proportional to 8,817.04, 13,207.92 and 5,305.10 is: 7,947.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.04 : 13,207.92 = 5,305.10 : x
  2. Step 2: Convert to fraction form
    8,817.04/13,207.92 = 5,305.10/x
  3. Step 3: Cross multiply
    8,817.04x = 13,207.92 × 5,305.10
  4. Step 4: Simplify right side
    8,817.04x = 70,069,336.39
  5. Step 5: Solve for x
    x = 70,069,336.39/8,817.04
  6. Step 6: Final answer
    x = 7,947.04

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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.