Home / 5,420.08-7,479.30-3,062.44

Finding the Fourth Proportional to 5,420.08, 7,479.30 and 3,062.44

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Solution

The fourth proportional to 5,420.08, 7,479.30 and 3,062.44 is: 4,225.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.08 : 7,479.30 = 3,062.44 : x
  2. Step 2: Convert to fraction form
    5,420.08/7,479.30 = 3,062.44/x
  3. Step 3: Cross multiply
    5,420.08x = 7,479.30 × 3,062.44
  4. Step 4: Simplify right side
    5,420.08x = 22,904,907.49
  5. Step 5: Solve for x
    x = 22,904,907.49/5,420.08
  6. Step 6: Final answer
    x = 4,225.94

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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.