Home / 5,013.90-6,919.13-2,775.76

Finding the Fourth Proportional to 5,013.90, 6,919.13 and 2,775.76

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Solution

The fourth proportional to 5,013.90, 6,919.13 and 2,775.76 is: 3,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.90 : 6,919.13 = 2,775.76 : x
  2. Step 2: Convert to fraction form
    5,013.90/6,919.13 = 2,775.76/x
  3. Step 3: Cross multiply
    5,013.90x = 6,919.13 × 2,775.76
  4. Step 4: Simplify right side
    5,013.90x = 19,205,833.93
  5. Step 5: Solve for x
    x = 19,205,833.93/5,013.90
  6. Step 6: Final answer
    x = 3,830.52

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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.