Home / 9,240.08-12,748.92-5,881.52

Finding the Fourth Proportional to 9,240.08, 12,748.92 and 5,881.52

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Solution

The fourth proportional to 9,240.08, 12,748.92 and 5,881.52 is: 8,114.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.08 : 12,748.92 = 5,881.52 : x
  2. Step 2: Convert to fraction form
    9,240.08/12,748.92 = 5,881.52/x
  3. Step 3: Cross multiply
    9,240.08x = 12,748.92 × 5,881.52
  4. Step 4: Simplify right side
    9,240.08x = 74,983,027.96
  5. Step 5: Solve for x
    x = 74,983,027.96/9,240.08
  6. Step 6: Final answer
    x = 8,114.98

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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.