Home / 5,101.74-7,652.60-2,178.18

Finding the Fourth Proportional to 5,101.74, 7,652.60 and 2,178.18

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Solution

The fourth proportional to 5,101.74, 7,652.60 and 2,178.18 is: 3,267.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.74 : 7,652.60 = 2,178.18 : x
  2. Step 2: Convert to fraction form
    5,101.74/7,652.60 = 2,178.18/x
  3. Step 3: Cross multiply
    5,101.74x = 7,652.60 × 2,178.18
  4. Step 4: Simplify right side
    5,101.74x = 16,668,740.27
  5. Step 5: Solve for x
    x = 16,668,740.27/5,101.74
  6. Step 6: Final answer
    x = 3,267.27

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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.