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Finding the Fourth Proportional to 5,324.58, 7,988.29 and 4,389.23

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Solution

The fourth proportional to 5,324.58, 7,988.29 and 4,389.23 is: 6,585.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.58 : 7,988.29 = 4,389.23 : x
  2. Step 2: Convert to fraction form
    5,324.58/7,988.29 = 4,389.23/x
  3. Step 3: Cross multiply
    5,324.58x = 7,988.29 × 4,389.23
  4. Step 4: Simplify right side
    5,324.58x = 35,062,451.11
  5. Step 5: Solve for x
    x = 35,062,451.11/5,324.58
  6. Step 6: Final answer
    x = 6,585.02

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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.