Home / 8,507.18-11,737.09-5,148.72

Finding the Fourth Proportional to 8,507.18, 11,737.09 and 5,148.72

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Solution

The fourth proportional to 8,507.18, 11,737.09 and 5,148.72 is: 7,103.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.18 : 11,737.09 = 5,148.72 : x
  2. Step 2: Convert to fraction form
    8,507.18/11,737.09 = 5,148.72/x
  3. Step 3: Cross multiply
    8,507.18x = 11,737.09 × 5,148.72
  4. Step 4: Simplify right side
    8,507.18x = 60,430,990.02
  5. Step 5: Solve for x
    x = 60,430,990.02/8,507.18
  6. Step 6: Final answer
    x = 7,103.53

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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.