Home / 5,890.08-8,129.12-3,407.52

Finding the Fourth Proportional to 5,890.08, 8,129.12 and 3,407.52

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Solution

The fourth proportional to 5,890.08, 8,129.12 and 3,407.52 is: 4,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.08 : 8,129.12 = 3,407.52 : x
  2. Step 2: Convert to fraction form
    5,890.08/8,129.12 = 3,407.52/x
  3. Step 3: Cross multiply
    5,890.08x = 8,129.12 × 3,407.52
  4. Step 4: Simplify right side
    5,890.08x = 27,700,138.98
  5. Step 5: Solve for x
    x = 27,700,138.98/5,890.08
  6. Step 6: Final answer
    x = 4,702.85

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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.