Home / 5,125.58-7,685.94-2,657.93

Finding the Fourth Proportional to 5,125.58, 7,685.94 and 2,657.93

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Solution

The fourth proportional to 5,125.58, 7,685.94 and 2,657.93 is: 3,985.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.58 : 7,685.94 = 2,657.93 : x
  2. Step 2: Convert to fraction form
    5,125.58/7,685.94 = 2,657.93/x
  3. Step 3: Cross multiply
    5,125.58x = 7,685.94 × 2,657.93
  4. Step 4: Simplify right side
    5,125.58x = 20,428,690.50
  5. Step 5: Solve for x
    x = 20,428,690.50/5,125.58
  6. Step 6: Final answer
    x = 3,985.63

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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.