Home / 4,089.15-6,134.28-1,314.90

Finding the Fourth Proportional to 4,089.15, 6,134.28 and 1,314.90

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Solution

The fourth proportional to 4,089.15, 6,134.28 and 1,314.90 is: 1,972.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.15 : 6,134.28 = 1,314.90 : x
  2. Step 2: Convert to fraction form
    4,089.15/6,134.28 = 1,314.90/x
  3. Step 3: Cross multiply
    4,089.15x = 6,134.28 × 1,314.90
  4. Step 4: Simplify right side
    4,089.15x = 8,065,964.77
  5. Step 5: Solve for x
    x = 8,065,964.77/4,089.15
  6. Step 6: Final answer
    x = 1,972.53

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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.