Home / 6,637.46-9,154.58-4,121.06

Finding the Fourth Proportional to 6,637.46, 9,154.58 and 4,121.06

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Solution

The fourth proportional to 6,637.46, 9,154.58 and 4,121.06 is: 5,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.46 : 9,154.58 = 4,121.06 : x
  2. Step 2: Convert to fraction form
    6,637.46/9,154.58 = 4,121.06/x
  3. Step 3: Cross multiply
    6,637.46x = 9,154.58 × 4,121.06
  4. Step 4: Simplify right side
    6,637.46x = 37,726,507.08
  5. Step 5: Solve for x
    x = 37,726,507.08/6,637.46
  6. Step 6: Final answer
    x = 5,683.88

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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.