Home / 5,018.47-6,925.08-2,780.44

Finding the Fourth Proportional to 5,018.47, 6,925.08 and 2,780.44

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Solution

The fourth proportional to 5,018.47, 6,925.08 and 2,780.44 is: 3,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.47 : 6,925.08 = 2,780.44 : x
  2. Step 2: Convert to fraction form
    5,018.47/6,925.08 = 2,780.44/x
  3. Step 3: Cross multiply
    5,018.47x = 6,925.08 × 2,780.44
  4. Step 4: Simplify right side
    5,018.47x = 19,254,793.70
  5. Step 5: Solve for x
    x = 19,254,793.70/5,018.47
  6. Step 6: Final answer
    x = 3,836.78

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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.