Home / 6,781.08-9,366.84-5,459.79

Finding the Fourth Proportional to 6,781.08, 9,366.84 and 5,459.79

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Solution

The fourth proportional to 6,781.08, 9,366.84 and 5,459.79 is: 7,541.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.08 : 9,366.84 = 5,459.79 : x
  2. Step 2: Convert to fraction form
    6,781.08/9,366.84 = 5,459.79/x
  3. Step 3: Cross multiply
    6,781.08x = 9,366.84 × 5,459.79
  4. Step 4: Simplify right side
    6,781.08x = 51,140,979.36
  5. Step 5: Solve for x
    x = 51,140,979.36/6,781.08
  6. Step 6: Final answer
    x = 7,541.72

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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.