Home / 7,125.89-10,678.50-4,902.44

Finding the Fourth Proportional to 7,125.89, 10,678.50 and 4,902.44

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Solution

The fourth proportional to 7,125.89, 10,678.50 and 4,902.44 is: 7,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.89 : 10,678.50 = 4,902.44 : x
  2. Step 2: Convert to fraction form
    7,125.89/10,678.50 = 4,902.44/x
  3. Step 3: Cross multiply
    7,125.89x = 10,678.50 × 4,902.44
  4. Step 4: Simplify right side
    7,125.89x = 52,350,652.15
  5. Step 5: Solve for x
    x = 52,350,652.15/7,125.89
  6. Step 6: Final answer
    x = 7,346.55

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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.