Home / 7,715.03-10,635.57-5,057.82

Finding the Fourth Proportional to 7,715.03, 10,635.57 and 5,057.82

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Solution

The fourth proportional to 7,715.03, 10,635.57 and 5,057.82 is: 6,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.03 : 10,635.57 = 5,057.82 : x
  2. Step 2: Convert to fraction form
    7,715.03/10,635.57 = 5,057.82/x
  3. Step 3: Cross multiply
    7,715.03x = 10,635.57 × 5,057.82
  4. Step 4: Simplify right side
    7,715.03x = 53,792,798.66
  5. Step 5: Solve for x
    x = 53,792,798.66/7,715.03
  6. Step 6: Final answer
    x = 6,972.47

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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.