Home / 8,901.10-13,351.62-3,908.35

Finding the Fourth Proportional to 8,901.10, 13,351.62 and 3,908.35

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Solution

The fourth proportional to 8,901.10, 13,351.62 and 3,908.35 is: 5,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.10 : 13,351.62 = 3,908.35 : x
  2. Step 2: Convert to fraction form
    8,901.10/13,351.62 = 3,908.35/x
  3. Step 3: Cross multiply
    8,901.10x = 13,351.62 × 3,908.35
  4. Step 4: Simplify right side
    8,901.10x = 52,182,804.03
  5. Step 5: Solve for x
    x = 52,182,804.03/8,901.10
  6. Step 6: Final answer
    x = 5,862.51

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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.