Home / 4,476.57-6,715.32-1,515.36

Finding the Fourth Proportional to 4,476.57, 6,715.32 and 1,515.36

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Solution

The fourth proportional to 4,476.57, 6,715.32 and 1,515.36 is: 2,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.57 : 6,715.32 = 1,515.36 : x
  2. Step 2: Convert to fraction form
    4,476.57/6,715.32 = 1,515.36/x
  3. Step 3: Cross multiply
    4,476.57x = 6,715.32 × 1,515.36
  4. Step 4: Simplify right side
    4,476.57x = 10,176,127.32
  5. Step 5: Solve for x
    x = 10,176,127.32/4,476.57
  6. Step 6: Final answer
    x = 2,273.20

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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.