Home / 9,129.34-12,598.48-4,937.58

Finding the Fourth Proportional to 9,129.34, 12,598.48 and 4,937.58

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Solution

The fourth proportional to 9,129.34, 12,598.48 and 4,937.58 is: 6,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.34 : 12,598.48 = 4,937.58 : x
  2. Step 2: Convert to fraction form
    9,129.34/12,598.48 = 4,937.58/x
  3. Step 3: Cross multiply
    9,129.34x = 12,598.48 × 4,937.58
  4. Step 4: Simplify right side
    9,129.34x = 62,206,002.88
  5. Step 5: Solve for x
    x = 62,206,002.88/9,129.34
  6. Step 6: Final answer
    x = 6,813.86

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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.