Home / 9,280.72-13,909.56-4,343.92

Finding the Fourth Proportional to 9,280.72, 13,909.56 and 4,343.92

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Solution

The fourth proportional to 9,280.72, 13,909.56 and 4,343.92 is: 6,510.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.72 : 13,909.56 = 4,343.92 : x
  2. Step 2: Convert to fraction form
    9,280.72/13,909.56 = 4,343.92/x
  3. Step 3: Cross multiply
    9,280.72x = 13,909.56 × 4,343.92
  4. Step 4: Simplify right side
    9,280.72x = 60,422,015.88
  5. Step 5: Solve for x
    x = 60,422,015.88/9,280.72
  6. Step 6: Final answer
    x = 6,510.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.