Home / 6,279.85-9,421.35-2,770.53

Finding the Fourth Proportional to 6,279.85, 9,421.35 and 2,770.53

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Solution

The fourth proportional to 6,279.85, 9,421.35 and 2,770.53 is: 4,156.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.85 : 9,421.35 = 2,770.53 : x
  2. Step 2: Convert to fraction form
    6,279.85/9,421.35 = 2,770.53/x
  3. Step 3: Cross multiply
    6,279.85x = 9,421.35 × 2,770.53
  4. Step 4: Simplify right side
    6,279.85x = 26,102,132.82
  5. Step 5: Solve for x
    x = 26,102,132.82/6,279.85
  6. Step 6: Final answer
    x = 4,156.49

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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.