Home / 9,001.40-13,503.92-3,158.46

Finding the Fourth Proportional to 9,001.40, 13,503.92 and 3,158.46

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Solution

The fourth proportional to 9,001.40, 13,503.92 and 3,158.46 is: 4,738.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.40 : 13,503.92 = 3,158.46 : x
  2. Step 2: Convert to fraction form
    9,001.40/13,503.92 = 3,158.46/x
  3. Step 3: Cross multiply
    9,001.40x = 13,503.92 × 3,158.46
  4. Step 4: Simplify right side
    9,001.40x = 42,651,575.37
  5. Step 5: Solve for x
    x = 42,651,575.37/9,001.40
  6. Step 6: Final answer
    x = 4,738.33

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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.