Home / 5,253.32-7,881.33-1,790.57

Finding the Fourth Proportional to 5,253.32, 7,881.33 and 1,790.57

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Solution

The fourth proportional to 5,253.32, 7,881.33 and 1,790.57 is: 2,686.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.32 : 7,881.33 = 1,790.57 : x
  2. Step 2: Convert to fraction form
    5,253.32/7,881.33 = 1,790.57/x
  3. Step 3: Cross multiply
    5,253.32x = 7,881.33 × 1,790.57
  4. Step 4: Simplify right side
    5,253.32x = 14,112,024.70
  5. Step 5: Solve for x
    x = 14,112,024.70/5,253.32
  6. Step 6: Final answer
    x = 2,686.31

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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.