Home / 5,013.70-6,915.48-3,439.06

Finding the Fourth Proportional to 5,013.70, 6,915.48 and 3,439.06

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Solution

The fourth proportional to 5,013.70, 6,915.48 and 3,439.06 is: 4,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.70 : 6,915.48 = 3,439.06 : x
  2. Step 2: Convert to fraction form
    5,013.70/6,915.48 = 3,439.06/x
  3. Step 3: Cross multiply
    5,013.70x = 6,915.48 × 3,439.06
  4. Step 4: Simplify right side
    5,013.70x = 23,782,720.46
  5. Step 5: Solve for x
    x = 23,782,720.46/5,013.70
  6. Step 6: Final answer
    x = 4,743.55

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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.