Home / 6,685.30-9,987.32-4,326.08

Finding the Fourth Proportional to 6,685.30, 9,987.32 and 4,326.08

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Solution

The fourth proportional to 6,685.30, 9,987.32 and 4,326.08 is: 6,462.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685.30 : 9,987.32 = 4,326.08 : x
  2. Step 2: Convert to fraction form
    6,685.30/9,987.32 = 4,326.08/x
  3. Step 3: Cross multiply
    6,685.30x = 9,987.32 × 4,326.08
  4. Step 4: Simplify right side
    6,685.30x = 43,205,948.64
  5. Step 5: Solve for x
    x = 43,205,948.64/6,685.30
  6. Step 6: Final answer
    x = 6,462.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.