Home / 9,007.20-13,521.60-5,061.60

Finding the Fourth Proportional to 9,007.20, 13,521.60 and 5,061.60

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Solution

The fourth proportional to 9,007.20, 13,521.60 and 5,061.60 is: 7,598.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.20 : 13,521.60 = 5,061.60 : x
  2. Step 2: Convert to fraction form
    9,007.20/13,521.60 = 5,061.60/x
  3. Step 3: Cross multiply
    9,007.20x = 13,521.60 × 5,061.60
  4. Step 4: Simplify right side
    9,007.20x = 68,440,930.56
  5. Step 5: Solve for x
    x = 68,440,930.56/9,007.20
  6. Step 6: Final answer
    x = 7,598.47

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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.