Home / 6,864.59-10,345.25-6,207.21

Finding the Fourth Proportional to 6,864.59, 10,345.25 and 6,207.21

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Solution

The fourth proportional to 6,864.59, 10,345.25 and 6,207.21 is: 9,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.59 : 10,345.25 = 6,207.21 : x
  2. Step 2: Convert to fraction form
    6,864.59/10,345.25 = 6,207.21/x
  3. Step 3: Cross multiply
    6,864.59x = 10,345.25 × 6,207.21
  4. Step 4: Simplify right side
    6,864.59x = 64,215,108.22
  5. Step 5: Solve for x
    x = 64,215,108.22/6,864.59
  6. Step 6: Final answer
    x = 9,354.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.