Home / 4,702.19-6,489.23-2,685.78

Finding the Fourth Proportional to 4,702.19, 6,489.23 and 2,685.78

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Solution

The fourth proportional to 4,702.19, 6,489.23 and 2,685.78 is: 3,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.19 : 6,489.23 = 2,685.78 : x
  2. Step 2: Convert to fraction form
    4,702.19/6,489.23 = 2,685.78/x
  3. Step 3: Cross multiply
    4,702.19x = 6,489.23 × 2,685.78
  4. Step 4: Simplify right side
    4,702.19x = 17,428,598.27
  5. Step 5: Solve for x
    x = 17,428,598.27/4,702.19
  6. Step 6: Final answer
    x = 3,706.49

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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.