Home / 6,637.10-9,159.62-3,947.58

Finding the Fourth Proportional to 6,637.10, 9,159.62 and 3,947.58

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Solution

The fourth proportional to 6,637.10, 9,159.62 and 3,947.58 is: 5,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.10 : 9,159.62 = 3,947.58 : x
  2. Step 2: Convert to fraction form
    6,637.10/9,159.62 = 3,947.58/x
  3. Step 3: Cross multiply
    6,637.10x = 9,159.62 × 3,947.58
  4. Step 4: Simplify right side
    6,637.10x = 36,158,312.98
  5. Step 5: Solve for x
    x = 36,158,312.98/6,637.10
  6. Step 6: Final answer
    x = 5,447.91

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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.