Home / 5,420.28-7,479.93-3,062.52

Finding the Fourth Proportional to 5,420.28, 7,479.93 and 3,062.52

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Solution

The fourth proportional to 5,420.28, 7,479.93 and 3,062.52 is: 4,226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.28 : 7,479.93 = 3,062.52 : x
  2. Step 2: Convert to fraction form
    5,420.28/7,479.93 = 3,062.52/x
  3. Step 3: Cross multiply
    5,420.28x = 7,479.93 × 3,062.52
  4. Step 4: Simplify right side
    5,420.28x = 22,907,435.22
  5. Step 5: Solve for x
    x = 22,907,435.22/5,420.28
  6. Step 6: Final answer
    x = 4,226.25

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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.