Home / 5,915.39-8,162.91-3,397.34

Finding the Fourth Proportional to 5,915.39, 8,162.91 and 3,397.34

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Solution

The fourth proportional to 5,915.39, 8,162.91 and 3,397.34 is: 4,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.39 : 8,162.91 = 3,397.34 : x
  2. Step 2: Convert to fraction form
    5,915.39/8,162.91 = 3,397.34/x
  3. Step 3: Cross multiply
    5,915.39x = 8,162.91 × 3,397.34
  4. Step 4: Simplify right side
    5,915.39x = 27,732,139.84
  5. Step 5: Solve for x
    x = 27,732,139.84/5,915.39
  6. Step 6: Final answer
    x = 4,688.14

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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.