Home / 5,272.59-7,902.54-1,938.18

Finding the Fourth Proportional to 5,272.59, 7,902.54 and 1,938.18

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Solution

The fourth proportional to 5,272.59, 7,902.54 and 1,938.18 is: 2,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.59 : 7,902.54 = 1,938.18 : x
  2. Step 2: Convert to fraction form
    5,272.59/7,902.54 = 1,938.18/x
  3. Step 3: Cross multiply
    5,272.59x = 7,902.54 × 1,938.18
  4. Step 4: Simplify right side
    5,272.59x = 15,316,544.98
  5. Step 5: Solve for x
    x = 15,316,544.98/5,272.59
  6. Step 6: Final answer
    x = 2,904.94

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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.