Home / 5,628.48-7,767.22-3,110.58

Finding the Fourth Proportional to 5,628.48, 7,767.22 and 3,110.58

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Solution

The fourth proportional to 5,628.48, 7,767.22 and 3,110.58 is: 4,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.48 : 7,767.22 = 3,110.58 : x
  2. Step 2: Convert to fraction form
    5,628.48/7,767.22 = 3,110.58/x
  3. Step 3: Cross multiply
    5,628.48x = 7,767.22 × 3,110.58
  4. Step 4: Simplify right side
    5,628.48x = 24,160,559.19
  5. Step 5: Solve for x
    x = 24,160,559.19/5,628.48
  6. Step 6: Final answer
    x = 4,292.55

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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.