Home / 8,025.52-12,038.40-5,269.72

Finding the Fourth Proportional to 8,025.52, 12,038.40 and 5,269.72

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Solution

The fourth proportional to 8,025.52, 12,038.40 and 5,269.72 is: 7,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.52 : 12,038.40 = 5,269.72 : x
  2. Step 2: Convert to fraction form
    8,025.52/12,038.40 = 5,269.72/x
  3. Step 3: Cross multiply
    8,025.52x = 12,038.40 × 5,269.72
  4. Step 4: Simplify right side
    8,025.52x = 63,438,997.25
  5. Step 5: Solve for x
    x = 63,438,997.25/8,025.52
  6. Step 6: Final answer
    x = 7,904.66

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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.