Home / 5,018.28-7,527.12-1,555.44

Finding the Fourth Proportional to 5,018.28, 7,527.12 and 1,555.44

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Solution

The fourth proportional to 5,018.28, 7,527.12 and 1,555.44 is: 2,333.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.28 : 7,527.12 = 1,555.44 : x
  2. Step 2: Convert to fraction form
    5,018.28/7,527.12 = 1,555.44/x
  3. Step 3: Cross multiply
    5,018.28x = 7,527.12 × 1,555.44
  4. Step 4: Simplify right side
    5,018.28x = 11,707,983.53
  5. Step 5: Solve for x
    x = 11,707,983.53/5,018.28
  6. Step 6: Final answer
    x = 2,333.07

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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.