Home / 6,437.32-9,637.20-3,964.72

Finding the Fourth Proportional to 6,437.32, 9,637.20 and 3,964.72

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Solution

The fourth proportional to 6,437.32, 9,637.20 and 3,964.72 is: 5,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.32 : 9,637.20 = 3,964.72 : x
  2. Step 2: Convert to fraction form
    6,437.32/9,637.20 = 3,964.72/x
  3. Step 3: Cross multiply
    6,437.32x = 9,637.20 × 3,964.72
  4. Step 4: Simplify right side
    6,437.32x = 38,208,799.58
  5. Step 5: Solve for x
    x = 38,208,799.58/6,437.32
  6. Step 6: Final answer
    x = 5,935.51

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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.