Home / 5,420.45-7,480.18-3,062.59

Finding the Fourth Proportional to 5,420.45, 7,480.18 and 3,062.59

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Solution

The fourth proportional to 5,420.45, 7,480.18 and 3,062.59 is: 4,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.45 : 7,480.18 = 3,062.59 : x
  2. Step 2: Convert to fraction form
    5,420.45/7,480.18 = 3,062.59/x
  3. Step 3: Cross multiply
    5,420.45x = 7,480.18 × 3,062.59
  4. Step 4: Simplify right side
    5,420.45x = 22,908,724.47
  5. Step 5: Solve for x
    x = 22,908,724.47/5,420.45
  6. Step 6: Final answer
    x = 4,226.35

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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.