Home / 9,376.20-12,940.56-5,840.55

Finding the Fourth Proportional to 9,376.20, 12,940.56 and 5,840.55

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Solution

The fourth proportional to 9,376.20, 12,940.56 and 5,840.55 is: 8,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.20 : 12,940.56 = 5,840.55 : x
  2. Step 2: Convert to fraction form
    9,376.20/12,940.56 = 5,840.55/x
  3. Step 3: Cross multiply
    9,376.20x = 12,940.56 × 5,840.55
  4. Step 4: Simplify right side
    9,376.20x = 75,579,987.71
  5. Step 5: Solve for x
    x = 75,579,987.71/9,376.20
  6. Step 6: Final answer
    x = 8,060.83

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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.