Home / 9,126.98-12,594.56-5,349.92

Finding the Fourth Proportional to 9,126.98, 12,594.56 and 5,349.92

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Solution

The fourth proportional to 9,126.98, 12,594.56 and 5,349.92 is: 7,382.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.98 : 12,594.56 = 5,349.92 : x
  2. Step 2: Convert to fraction form
    9,126.98/12,594.56 = 5,349.92/x
  3. Step 3: Cross multiply
    9,126.98x = 12,594.56 × 5,349.92
  4. Step 4: Simplify right side
    9,126.98x = 67,379,888.44
  5. Step 5: Solve for x
    x = 67,379,888.44/9,126.98
  6. Step 6: Final answer
    x = 7,382.50

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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.