Home / 7,814.13-10,772.28-5,572.11

Finding the Fourth Proportional to 7,814.13, 10,772.28 and 5,572.11

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Solution

The fourth proportional to 7,814.13, 10,772.28 and 5,572.11 is: 7,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.13 : 10,772.28 = 5,572.11 : x
  2. Step 2: Convert to fraction form
    7,814.13/10,772.28 = 5,572.11/x
  3. Step 3: Cross multiply
    7,814.13x = 10,772.28 × 5,572.11
  4. Step 4: Simplify right side
    7,814.13x = 60,024,329.11
  5. Step 5: Solve for x
    x = 60,024,329.11/7,814.13
  6. Step 6: Final answer
    x = 7,681.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.