Home / 5,018.62-6,925.86-2,780.46

Finding the Fourth Proportional to 5,018.62, 6,925.86 and 2,780.46

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Solution

The fourth proportional to 5,018.62, 6,925.86 and 2,780.46 is: 3,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.62 : 6,925.86 = 2,780.46 : x
  2. Step 2: Convert to fraction form
    5,018.62/6,925.86 = 2,780.46/x
  3. Step 3: Cross multiply
    5,018.62x = 6,925.86 × 2,780.46
  4. Step 4: Simplify right side
    5,018.62x = 19,257,076.70
  5. Step 5: Solve for x
    x = 19,257,076.70/5,018.62
  6. Step 6: Final answer
    x = 3,837.13

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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.