Home / 4,159.40-6,237.57-1,385.45

Finding the Fourth Proportional to 4,159.40, 6,237.57 and 1,385.45

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Solution

The fourth proportional to 4,159.40, 6,237.57 and 1,385.45 is: 2,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.40 : 6,237.57 = 1,385.45 : x
  2. Step 2: Convert to fraction form
    4,159.40/6,237.57 = 1,385.45/x
  3. Step 3: Cross multiply
    4,159.40x = 6,237.57 × 1,385.45
  4. Step 4: Simplify right side
    4,159.40x = 8,641,810.17
  5. Step 5: Solve for x
    x = 8,641,810.17/4,159.40
  6. Step 6: Final answer
    x = 2,077.66

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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.