Home / 7,438.60-10,265.16-4,251.86

Finding the Fourth Proportional to 7,438.60, 10,265.16 and 4,251.86

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Solution

The fourth proportional to 7,438.60, 10,265.16 and 4,251.86 is: 5,867.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.60 : 10,265.16 = 4,251.86 : x
  2. Step 2: Convert to fraction form
    7,438.60/10,265.16 = 4,251.86/x
  3. Step 3: Cross multiply
    7,438.60x = 10,265.16 × 4,251.86
  4. Step 4: Simplify right side
    7,438.60x = 43,646,026.31
  5. Step 5: Solve for x
    x = 43,646,026.31/7,438.60
  6. Step 6: Final answer
    x = 5,867.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.