Home / 6,326.74-8,729.15-3,637.81

Finding the Fourth Proportional to 6,326.74, 8,729.15 and 3,637.81

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Solution

The fourth proportional to 6,326.74, 8,729.15 and 3,637.81 is: 5,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326.74 : 8,729.15 = 3,637.81 : x
  2. Step 2: Convert to fraction form
    6,326.74/8,729.15 = 3,637.81/x
  3. Step 3: Cross multiply
    6,326.74x = 8,729.15 × 3,637.81
  4. Step 4: Simplify right side
    6,326.74x = 31,754,981.88
  5. Step 5: Solve for x
    x = 31,754,981.88/6,326.74
  6. Step 6: Final answer
    x = 5,019.17

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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.