Home / 8,697.72-13,045.52-3,702.11

Finding the Fourth Proportional to 8,697.72, 13,045.52 and 3,702.11

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Solution

The fourth proportional to 8,697.72, 13,045.52 and 3,702.11 is: 5,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.72 : 13,045.52 = 3,702.11 : x
  2. Step 2: Convert to fraction form
    8,697.72/13,045.52 = 3,702.11/x
  3. Step 3: Cross multiply
    8,697.72x = 13,045.52 × 3,702.11
  4. Step 4: Simplify right side
    8,697.72x = 48,295,950.05
  5. Step 5: Solve for x
    x = 48,295,950.05/8,697.72
  6. Step 6: Final answer
    x = 5,552.71

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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.