Home / 5,329.14-7,989.13-2,987.23

Finding the Fourth Proportional to 5,329.14, 7,989.13 and 2,987.23

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Solution

The fourth proportional to 5,329.14, 7,989.13 and 2,987.23 is: 4,478.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.14 : 7,989.13 = 2,987.23 : x
  2. Step 2: Convert to fraction form
    5,329.14/7,989.13 = 2,987.23/x
  3. Step 3: Cross multiply
    5,329.14x = 7,989.13 × 2,987.23
  4. Step 4: Simplify right side
    5,329.14x = 23,865,367.55
  5. Step 5: Solve for x
    x = 23,865,367.55/5,329.14
  6. Step 6: Final answer
    x = 4,478.28

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1.5x scale

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.