Home / 5,001.70-6,902.64-2,877.92

Finding the Fourth Proportional to 5,001.70, 6,902.64 and 2,877.92

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Solution

The fourth proportional to 5,001.70, 6,902.64 and 2,877.92 is: 3,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.70 : 6,902.64 = 2,877.92 : x
  2. Step 2: Convert to fraction form
    5,001.70/6,902.64 = 2,877.92/x
  3. Step 3: Cross multiply
    5,001.70x = 6,902.64 × 2,877.92
  4. Step 4: Simplify right side
    5,001.70x = 19,865,245.71
  5. Step 5: Solve for x
    x = 19,865,245.71/5,001.70
  6. Step 6: Final answer
    x = 3,971.70

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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.