Home / 5,532.06-7,641.72-4,420.79

Finding the Fourth Proportional to 5,532.06, 7,641.72 and 4,420.79

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Solution

The fourth proportional to 5,532.06, 7,641.72 and 4,420.79 is: 6,106.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,532.06 : 7,641.72 = 4,420.79 : x
  2. Step 2: Convert to fraction form
    5,532.06/7,641.72 = 4,420.79/x
  3. Step 3: Cross multiply
    5,532.06x = 7,641.72 × 4,420.79
  4. Step 4: Simplify right side
    5,532.06x = 33,782,401.15
  5. Step 5: Solve for x
    x = 33,782,401.15/5,532.06
  6. Step 6: Final answer
    x = 6,106.66

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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.