Home / 5,002.50-6,902.85-2,985.54

Finding the Fourth Proportional to 5,002.50, 6,902.85 and 2,985.54

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Solution

The fourth proportional to 5,002.50, 6,902.85 and 2,985.54 is: 4,119.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,002.50 : 6,902.85 = 2,985.54 : x
  2. Step 2: Convert to fraction form
    5,002.50/6,902.85 = 2,985.54/x
  3. Step 3: Cross multiply
    5,002.50x = 6,902.85 × 2,985.54
  4. Step 4: Simplify right side
    5,002.50x = 20,608,739.51
  5. Step 5: Solve for x
    x = 20,608,739.51/5,002.50
  6. Step 6: Final answer
    x = 4,119.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.