Home / 5,001.39-6,902.15-2,905.11

Finding the Fourth Proportional to 5,001.39, 6,902.15 and 2,905.11

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Solution

The fourth proportional to 5,001.39, 6,902.15 and 2,905.11 is: 4,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.39 : 6,902.15 = 2,905.11 : x
  2. Step 2: Convert to fraction form
    5,001.39/6,902.15 = 2,905.11/x
  3. Step 3: Cross multiply
    5,001.39x = 6,902.15 × 2,905.11
  4. Step 4: Simplify right side
    5,001.39x = 20,051,490.46
  5. Step 5: Solve for x
    x = 20,051,490.46/5,001.39
  6. Step 6: Final answer
    x = 4,009.18

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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.