Home / 9,250.60-13,870.14-3,988.92

Finding the Fourth Proportional to 9,250.60, 13,870.14 and 3,988.92

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Solution

The fourth proportional to 9,250.60, 13,870.14 and 3,988.92 is: 5,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,250.60 : 13,870.14 = 3,988.92 : x
  2. Step 2: Convert to fraction form
    9,250.60/13,870.14 = 3,988.92/x
  3. Step 3: Cross multiply
    9,250.60x = 13,870.14 × 3,988.92
  4. Step 4: Simplify right side
    9,250.60x = 55,326,878.85
  5. Step 5: Solve for x
    x = 55,326,878.85/9,250.60
  6. Step 6: Final answer
    x = 5,980.90

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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.