Home / 7,641.28-10,544.96-4,284.12

Finding the Fourth Proportional to 7,641.28, 10,544.96 and 4,284.12

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Solution

The fourth proportional to 7,641.28, 10,544.96 and 4,284.12 is: 5,912.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.28 : 10,544.96 = 4,284.12 : x
  2. Step 2: Convert to fraction form
    7,641.28/10,544.96 = 4,284.12/x
  3. Step 3: Cross multiply
    7,641.28x = 10,544.96 × 4,284.12
  4. Step 4: Simplify right side
    7,641.28x = 45,175,874.04
  5. Step 5: Solve for x
    x = 45,175,874.04/7,641.28
  6. Step 6: Final answer
    x = 5,912.08

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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.