Home / 5,018.55-6,926.02-2,781.12

Finding the Fourth Proportional to 5,018.55, 6,926.02 and 2,781.12

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Solution

The fourth proportional to 5,018.55, 6,926.02 and 2,781.12 is: 3,838.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.55 : 6,926.02 = 2,781.12 : x
  2. Step 2: Convert to fraction form
    5,018.55/6,926.02 = 2,781.12/x
  3. Step 3: Cross multiply
    5,018.55x = 6,926.02 × 2,781.12
  4. Step 4: Simplify right side
    5,018.55x = 19,262,078.84
  5. Step 5: Solve for x
    x = 19,262,078.84/5,018.55
  6. Step 6: Final answer
    x = 3,838.18

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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.