Home / 6,729.28-10,102.32-4,547.68

Finding the Fourth Proportional to 6,729.28, 10,102.32 and 4,547.68

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Solution

The fourth proportional to 6,729.28, 10,102.32 and 4,547.68 is: 6,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.28 : 10,102.32 = 4,547.68 : x
  2. Step 2: Convert to fraction form
    6,729.28/10,102.32 = 4,547.68/x
  3. Step 3: Cross multiply
    6,729.28x = 10,102.32 × 4,547.68
  4. Step 4: Simplify right side
    6,729.28x = 45,942,118.62
  5. Step 5: Solve for x
    x = 45,942,118.62/6,729.28
  6. Step 6: Final answer
    x = 6,827.20

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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.