Home / 5,630.89-7,770.58-3,113.18

Finding the Fourth Proportional to 5,630.89, 7,770.58 and 3,113.18

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Solution

The fourth proportional to 5,630.89, 7,770.58 and 3,113.18 is: 4,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.89 : 7,770.58 = 3,113.18 : x
  2. Step 2: Convert to fraction form
    5,630.89/7,770.58 = 3,113.18/x
  3. Step 3: Cross multiply
    5,630.89x = 7,770.58 × 3,113.18
  4. Step 4: Simplify right side
    5,630.89x = 24,191,198.68
  5. Step 5: Solve for x
    x = 24,191,198.68/5,630.89
  6. Step 6: Final answer
    x = 4,296.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.