Home / 5,345.64-7,377.78-3,108.84

Finding the Fourth Proportional to 5,345.64, 7,377.78 and 3,108.84

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Solution

The fourth proportional to 5,345.64, 7,377.78 and 3,108.84 is: 4,290.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.64 : 7,377.78 = 3,108.84 : x
  2. Step 2: Convert to fraction form
    5,345.64/7,377.78 = 3,108.84/x
  3. Step 3: Cross multiply
    5,345.64x = 7,377.78 × 3,108.84
  4. Step 4: Simplify right side
    5,345.64x = 22,936,337.58
  5. Step 5: Solve for x
    x = 22,936,337.58/5,345.64
  6. Step 6: Final answer
    x = 4,290.66

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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.