Home / 7,454.31-10,284-5,329.89

Finding the Fourth Proportional to 7,454.31, 10,284 and 5,329.89

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Solution

The fourth proportional to 7,454.31, 10,284 and 5,329.89 is: 7,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.31 : 10,284 = 5,329.89 : x
  2. Step 2: Convert to fraction form
    7,454.31/10,284 = 5,329.89/x
  3. Step 3: Cross multiply
    7,454.31x = 10,284 × 5,329.89
  4. Step 4: Simplify right side
    7,454.31x = 54,812,588.76
  5. Step 5: Solve for x
    x = 54,812,588.76/7,454.31
  6. Step 6: Final answer
    x = 7,353.14

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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.