Home / 5,631.45-7,770.99-3,113.59

Finding the Fourth Proportional to 5,631.45, 7,770.99 and 3,113.59

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Solution

The fourth proportional to 5,631.45, 7,770.99 and 3,113.59 is: 4,296.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.45 : 7,770.99 = 3,113.59 : x
  2. Step 2: Convert to fraction form
    5,631.45/7,770.99 = 3,113.59/x
  3. Step 3: Cross multiply
    5,631.45x = 7,770.99 × 3,113.59
  4. Step 4: Simplify right side
    5,631.45x = 24,195,696.67
  5. Step 5: Solve for x
    x = 24,195,696.67/5,631.45
  6. Step 6: Final answer
    x = 4,296.53

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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.