Home / 5,254.42-7,882.07-1,358.90

Finding the Fourth Proportional to 5,254.42, 7,882.07 and 1,358.90

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Solution

The fourth proportional to 5,254.42, 7,882.07 and 1,358.90 is: 2,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.42 : 7,882.07 = 1,358.90 : x
  2. Step 2: Convert to fraction form
    5,254.42/7,882.07 = 1,358.90/x
  3. Step 3: Cross multiply
    5,254.42x = 7,882.07 × 1,358.90
  4. Step 4: Simplify right side
    5,254.42x = 10,710,944.92
  5. Step 5: Solve for x
    x = 10,710,944.92/5,254.42
  6. Step 6: Final answer
    x = 2,038.46

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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.