Home / 5,349.28-8,029.68-5,015.20

Finding the Fourth Proportional to 5,349.28, 8,029.68 and 5,015.20

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Solution

The fourth proportional to 5,349.28, 8,029.68 and 5,015.20 is: 7,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.28 : 8,029.68 = 5,015.20 : x
  2. Step 2: Convert to fraction form
    5,349.28/8,029.68 = 5,015.20/x
  3. Step 3: Cross multiply
    5,349.28x = 8,029.68 × 5,015.20
  4. Step 4: Simplify right side
    5,349.28x = 40,270,451.14
  5. Step 5: Solve for x
    x = 40,270,451.14/5,349.28
  6. Step 6: Final answer
    x = 7,528.20

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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.