Home / 5,018.64-6,925.52-2,780.61

Finding the Fourth Proportional to 5,018.64, 6,925.52 and 2,780.61

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Solution

The fourth proportional to 5,018.64, 6,925.52 and 2,780.61 is: 3,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.64 : 6,925.52 = 2,780.61 : x
  2. Step 2: Convert to fraction form
    5,018.64/6,925.52 = 2,780.61/x
  3. Step 3: Cross multiply
    5,018.64x = 6,925.52 × 2,780.61
  4. Step 4: Simplify right side
    5,018.64x = 19,257,156.26
  5. Step 5: Solve for x
    x = 19,257,156.26/5,018.64
  6. Step 6: Final answer
    x = 3,837.13

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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.