Home / 5,117.49-7,667.87-2,648.88

Finding the Fourth Proportional to 5,117.49, 7,667.87 and 2,648.88

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Solution

The fourth proportional to 5,117.49, 7,667.87 and 2,648.88 is: 3,968.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.49 : 7,667.87 = 2,648.88 : x
  2. Step 2: Convert to fraction form
    5,117.49/7,667.87 = 2,648.88/x
  3. Step 3: Cross multiply
    5,117.49x = 7,667.87 × 2,648.88
  4. Step 4: Simplify right side
    5,117.49x = 20,311,254.24
  5. Step 5: Solve for x
    x = 20,311,254.24/5,117.49
  6. Step 6: Final answer
    x = 3,968.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.