Home / 6,782.31-10,176.50-5,391.13

Finding the Fourth Proportional to 6,782.31, 10,176.50 and 5,391.13

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Solution

The fourth proportional to 6,782.31, 10,176.50 and 5,391.13 is: 8,089.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782.31 : 10,176.50 = 5,391.13 : x
  2. Step 2: Convert to fraction form
    6,782.31/10,176.50 = 5,391.13/x
  3. Step 3: Cross multiply
    6,782.31x = 10,176.50 × 5,391.13
  4. Step 4: Simplify right side
    6,782.31x = 54,862,853.15
  5. Step 5: Solve for x
    x = 54,862,853.15/6,782.31
  6. Step 6: Final answer
    x = 8,089.11

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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.