Home / 5,615.39-8,426.12-2,330.75

Finding the Fourth Proportional to 5,615.39, 8,426.12 and 2,330.75

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Solution

The fourth proportional to 5,615.39, 8,426.12 and 2,330.75 is: 3,497.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.39 : 8,426.12 = 2,330.75 : x
  2. Step 2: Convert to fraction form
    5,615.39/8,426.12 = 2,330.75/x
  3. Step 3: Cross multiply
    5,615.39x = 8,426.12 × 2,330.75
  4. Step 4: Simplify right side
    5,615.39x = 19,639,125.41
  5. Step 5: Solve for x
    x = 19,639,125.41/5,615.39
  6. Step 6: Final answer
    x = 3,497.38

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Double scale
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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.