Home / 5,275.43-7,913.57-1,765.46

Finding the Fourth Proportional to 5,275.43, 7,913.57 and 1,765.46

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Solution

The fourth proportional to 5,275.43, 7,913.57 and 1,765.46 is: 2,648.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.43 : 7,913.57 = 1,765.46 : x
  2. Step 2: Convert to fraction form
    5,275.43/7,913.57 = 1,765.46/x
  3. Step 3: Cross multiply
    5,275.43x = 7,913.57 × 1,765.46
  4. Step 4: Simplify right side
    5,275.43x = 13,971,089.92
  5. Step 5: Solve for x
    x = 13,971,089.92/5,275.43
  6. Step 6: Final answer
    x = 2,648.33

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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.