Home / 7,521.44-11,276.08-3,142.16

Finding the Fourth Proportional to 7,521.44, 11,276.08 and 3,142.16

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Solution

The fourth proportional to 7,521.44, 11,276.08 and 3,142.16 is: 4,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.44 : 11,276.08 = 3,142.16 : x
  2. Step 2: Convert to fraction form
    7,521.44/11,276.08 = 3,142.16/x
  3. Step 3: Cross multiply
    7,521.44x = 11,276.08 × 3,142.16
  4. Step 4: Simplify right side
    7,521.44x = 35,431,247.53
  5. Step 5: Solve for x
    x = 35,431,247.53/7,521.44
  6. Step 6: Final answer
    x = 4,710.70

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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.