Home / 5,261.34-7,896.86-2,666.10

Finding the Fourth Proportional to 5,261.34, 7,896.86 and 2,666.10

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Solution

The fourth proportional to 5,261.34, 7,896.86 and 2,666.10 is: 4,001.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.34 : 7,896.86 = 2,666.10 : x
  2. Step 2: Convert to fraction form
    5,261.34/7,896.86 = 2,666.10/x
  3. Step 3: Cross multiply
    5,261.34x = 7,896.86 × 2,666.10
  4. Step 4: Simplify right side
    5,261.34x = 21,053,818.45
  5. Step 5: Solve for x
    x = 21,053,818.45/5,261.34
  6. Step 6: Final answer
    x = 4,001.61

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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.