Home / 7,239.27-9,990.24-4,096.08

Finding the Fourth Proportional to 7,239.27, 9,990.24 and 4,096.08

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Solution

The fourth proportional to 7,239.27, 9,990.24 and 4,096.08 is: 5,652.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.27 : 9,990.24 = 4,096.08 : x
  2. Step 2: Convert to fraction form
    7,239.27/9,990.24 = 4,096.08/x
  3. Step 3: Cross multiply
    7,239.27x = 9,990.24 × 4,096.08
  4. Step 4: Simplify right side
    7,239.27x = 40,920,822.26
  5. Step 5: Solve for x
    x = 40,920,822.26/7,239.27
  6. Step 6: Final answer
    x = 5,652.62

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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.