Home / 4,715.18-7,071.10-1,382.50

Finding the Fourth Proportional to 4,715.18, 7,071.10 and 1,382.50

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Solution

The fourth proportional to 4,715.18, 7,071.10 and 1,382.50 is: 2,073.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.18 : 7,071.10 = 1,382.50 : x
  2. Step 2: Convert to fraction form
    4,715.18/7,071.10 = 1,382.50/x
  3. Step 3: Cross multiply
    4,715.18x = 7,071.10 × 1,382.50
  4. Step 4: Simplify right side
    4,715.18x = 9,775,801.13
  5. Step 5: Solve for x
    x = 9,775,801.13/4,715.18
  6. Step 6: Final answer
    x = 2,073.26

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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.