Home / 6,761.28-9,328.50-5,345.22

Finding the Fourth Proportional to 6,761.28, 9,328.50 and 5,345.22

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Solution

The fourth proportional to 6,761.28, 9,328.50 and 5,345.22 is: 7,374.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.28 : 9,328.50 = 5,345.22 : x
  2. Step 2: Convert to fraction form
    6,761.28/9,328.50 = 5,345.22/x
  3. Step 3: Cross multiply
    6,761.28x = 9,328.50 × 5,345.22
  4. Step 4: Simplify right side
    6,761.28x = 49,862,884.77
  5. Step 5: Solve for x
    x = 49,862,884.77/6,761.28
  6. Step 6: Final answer
    x = 7,374.77

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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.