Home / 5,158.27-7,737.39-1,871.35

Finding the Fourth Proportional to 5,158.27, 7,737.39 and 1,871.35

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Solution

The fourth proportional to 5,158.27, 7,737.39 and 1,871.35 is: 2,807.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.27 : 7,737.39 = 1,871.35 : x
  2. Step 2: Convert to fraction form
    5,158.27/7,737.39 = 1,871.35/x
  3. Step 3: Cross multiply
    5,158.27x = 7,737.39 × 1,871.35
  4. Step 4: Simplify right side
    5,158.27x = 14,479,364.78
  5. Step 5: Solve for x
    x = 14,479,364.78/5,158.27
  6. Step 6: Final answer
    x = 2,807.02

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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.