Home / 5,429.62-7,492.52-3,039.19

Finding the Fourth Proportional to 5,429.62, 7,492.52 and 3,039.19

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Solution

The fourth proportional to 5,429.62, 7,492.52 and 3,039.19 is: 4,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.62 : 7,492.52 = 3,039.19 : x
  2. Step 2: Convert to fraction form
    5,429.62/7,492.52 = 3,039.19/x
  3. Step 3: Cross multiply
    5,429.62x = 7,492.52 × 3,039.19
  4. Step 4: Simplify right side
    5,429.62x = 22,771,139.20
  5. Step 5: Solve for x
    x = 22,771,139.20/5,429.62
  6. Step 6: Final answer
    x = 4,193.88

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1.5x scale

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.