Home / 5,126.58-7,687.44-2,658.93

Finding the Fourth Proportional to 5,126.58, 7,687.44 and 2,658.93

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Solution

The fourth proportional to 5,126.58, 7,687.44 and 2,658.93 is: 3,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.58 : 7,687.44 = 2,658.93 : x
  2. Step 2: Convert to fraction form
    5,126.58/7,687.44 = 2,658.93/x
  3. Step 3: Cross multiply
    5,126.58x = 7,687.44 × 2,658.93
  4. Step 4: Simplify right side
    5,126.58x = 20,440,364.84
  5. Step 5: Solve for x
    x = 20,440,364.84/5,126.58
  6. Step 6: Final answer
    x = 3,987.13

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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.