Home / 8,239.28-11,370.12-5,095.76

Finding the Fourth Proportional to 8,239.28, 11,370.12 and 5,095.76

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Solution

The fourth proportional to 8,239.28, 11,370.12 and 5,095.76 is: 7,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.28 : 11,370.12 = 5,095.76 : x
  2. Step 2: Convert to fraction form
    8,239.28/11,370.12 = 5,095.76/x
  3. Step 3: Cross multiply
    8,239.28x = 11,370.12 × 5,095.76
  4. Step 4: Simplify right side
    8,239.28x = 57,939,402.69
  5. Step 5: Solve for x
    x = 57,939,402.69/8,239.28
  6. Step 6: Final answer
    x = 7,032.10

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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.