Home / 7,260.97-10,895.10-5,415.79

Finding the Fourth Proportional to 7,260.97, 10,895.10 and 5,415.79

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Solution

The fourth proportional to 7,260.97, 10,895.10 and 5,415.79 is: 8,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.97 : 10,895.10 = 5,415.79 : x
  2. Step 2: Convert to fraction form
    7,260.97/10,895.10 = 5,415.79/x
  3. Step 3: Cross multiply
    7,260.97x = 10,895.10 × 5,415.79
  4. Step 4: Simplify right side
    7,260.97x = 59,005,519.15
  5. Step 5: Solve for x
    x = 59,005,519.15/7,260.97
  6. Step 6: Final answer
    x = 8,126.40

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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.