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Finding the Fourth Proportional to 5.79, 8.65 and 5.04

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Solution

The fourth proportional to 5.79, 8.65 and 5.04 is: 7.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.79 : 8.65 = 5.04 : x
  2. Step 2: Convert to fraction form
    5.79/8.65 = 5.04/x
  3. Step 3: Cross multiply
    5.79x = 8.65 × 5.04
  4. Step 4: Simplify right side
    5.79x = 43.58
  5. Step 5: Solve for x
    x = 43.58/5.79
  6. Step 6: Final answer
    x = 7.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.