Home / 4,915.17-7,358.18-4,908.69

Finding the Fourth Proportional to 4,915.17, 7,358.18 and 4,908.69

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Solution

The fourth proportional to 4,915.17, 7,358.18 and 4,908.69 is: 7,348.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.17 : 7,358.18 = 4,908.69 : x
  2. Step 2: Convert to fraction form
    4,915.17/7,358.18 = 4,908.69/x
  3. Step 3: Cross multiply
    4,915.17x = 7,358.18 × 4,908.69
  4. Step 4: Simplify right side
    4,915.17x = 36,119,000.04
  5. Step 5: Solve for x
    x = 36,119,000.04/4,915.17
  6. Step 6: Final answer
    x = 7,348.47

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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.