Home / 4,627.76-6,386.34-2,531.90

Finding the Fourth Proportional to 4,627.76, 6,386.34 and 2,531.90

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Solution

The fourth proportional to 4,627.76, 6,386.34 and 2,531.90 is: 3,494.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.76 : 6,386.34 = 2,531.90 : x
  2. Step 2: Convert to fraction form
    4,627.76/6,386.34 = 2,531.90/x
  3. Step 3: Cross multiply
    4,627.76x = 6,386.34 × 2,531.90
  4. Step 4: Simplify right side
    4,627.76x = 16,169,574.25
  5. Step 5: Solve for x
    x = 16,169,574.25/4,627.76
  6. Step 6: Final answer
    x = 3,494.04

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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.