Home / 4,890.42-6,750.27-3,902.49

Finding the Fourth Proportional to 4,890.42, 6,750.27 and 3,902.49

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Solution

The fourth proportional to 4,890.42, 6,750.27 and 3,902.49 is: 5,386.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.42 : 6,750.27 = 3,902.49 : x
  2. Step 2: Convert to fraction form
    4,890.42/6,750.27 = 3,902.49/x
  3. Step 3: Cross multiply
    4,890.42x = 6,750.27 × 3,902.49
  4. Step 4: Simplify right side
    4,890.42x = 26,342,861.17
  5. Step 5: Solve for x
    x = 26,342,861.17/4,890.42
  6. Step 6: Final answer
    x = 5,386.63

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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.