Home / 7,011.28-10,513.84-2,625.66

Finding the Fourth Proportional to 7,011.28, 10,513.84 and 2,625.66

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Solution

The fourth proportional to 7,011.28, 10,513.84 and 2,625.66 is: 3,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.28 : 10,513.84 = 2,625.66 : x
  2. Step 2: Convert to fraction form
    7,011.28/10,513.84 = 2,625.66/x
  3. Step 3: Cross multiply
    7,011.28x = 10,513.84 × 2,625.66
  4. Step 4: Simplify right side
    7,011.28x = 27,605,778.59
  5. Step 5: Solve for x
    x = 27,605,778.59/7,011.28
  6. Step 6: Final answer
    x = 3,937.34

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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.