Home / 5,329.18-7,988.91-1,864.54

Finding the Fourth Proportional to 5,329.18, 7,988.91 and 1,864.54

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Solution

The fourth proportional to 5,329.18, 7,988.91 and 1,864.54 is: 2,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.18 : 7,988.91 = 1,864.54 : x
  2. Step 2: Convert to fraction form
    5,329.18/7,988.91 = 1,864.54/x
  3. Step 3: Cross multiply
    5,329.18x = 7,988.91 × 1,864.54
  4. Step 4: Simplify right side
    5,329.18x = 14,895,642.25
  5. Step 5: Solve for x
    x = 14,895,642.25/5,329.18
  6. Step 6: Final answer
    x = 2,795.11

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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.