Home / 4,159.47-6,236.60-1,385.43

Finding the Fourth Proportional to 4,159.47, 6,236.60 and 1,385.43

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Solution

The fourth proportional to 4,159.47, 6,236.60 and 1,385.43 is: 2,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.47 : 6,236.60 = 1,385.43 : x
  2. Step 2: Convert to fraction form
    4,159.47/6,236.60 = 1,385.43/x
  3. Step 3: Cross multiply
    4,159.47x = 6,236.60 × 1,385.43
  4. Step 4: Simplify right side
    4,159.47x = 8,640,372.74
  5. Step 5: Solve for x
    x = 8,640,372.74/4,159.47
  6. Step 6: Final answer
    x = 2,077.28

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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.