Home / 5,377.08-7,420.18-3,019.32

Finding the Fourth Proportional to 5,377.08, 7,420.18 and 3,019.32

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Solution

The fourth proportional to 5,377.08, 7,420.18 and 3,019.32 is: 4,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.08 : 7,420.18 = 3,019.32 : x
  2. Step 2: Convert to fraction form
    5,377.08/7,420.18 = 3,019.32/x
  3. Step 3: Cross multiply
    5,377.08x = 7,420.18 × 3,019.32
  4. Step 4: Simplify right side
    5,377.08x = 22,403,897.88
  5. Step 5: Solve for x
    x = 22,403,897.88/5,377.08
  6. Step 6: Final answer
    x = 4,166.55

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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.