Home / 5,543.19-7,650.86-3,775.50

Finding the Fourth Proportional to 5,543.19, 7,650.86 and 3,775.50

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Solution

The fourth proportional to 5,543.19, 7,650.86 and 3,775.50 is: 5,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.19 : 7,650.86 = 3,775.50 : x
  2. Step 2: Convert to fraction form
    5,543.19/7,650.86 = 3,775.50/x
  3. Step 3: Cross multiply
    5,543.19x = 7,650.86 × 3,775.50
  4. Step 4: Simplify right side
    5,543.19x = 28,885,821.93
  5. Step 5: Solve for x
    x = 28,885,821.93/5,543.19
  6. Step 6: Final answer
    x = 5,211.05

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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.