Home / 8,902.88-13,359.12-3,712.32

Finding the Fourth Proportional to 8,902.88, 13,359.12 and 3,712.32

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Solution

The fourth proportional to 8,902.88, 13,359.12 and 3,712.32 is: 5,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.88 : 13,359.12 = 3,712.32 : x
  2. Step 2: Convert to fraction form
    8,902.88/13,359.12 = 3,712.32/x
  3. Step 3: Cross multiply
    8,902.88x = 13,359.12 × 3,712.32
  4. Step 4: Simplify right side
    8,902.88x = 49,593,328.36
  5. Step 5: Solve for x
    x = 49,593,328.36/8,902.88
  6. Step 6: Final answer
    x = 5,570.48

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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.