Home / 5,628.18-7,766.81-3,110.40

Finding the Fourth Proportional to 5,628.18, 7,766.81 and 3,110.40

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Solution

The fourth proportional to 5,628.18, 7,766.81 and 3,110.40 is: 4,292.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.18 : 7,766.81 = 3,110.40 : x
  2. Step 2: Convert to fraction form
    5,628.18/7,766.81 = 3,110.40/x
  3. Step 3: Cross multiply
    5,628.18x = 7,766.81 × 3,110.40
  4. Step 4: Simplify right side
    5,628.18x = 24,157,890.68
  5. Step 5: Solve for x
    x = 24,157,890.68/5,628.18
  6. Step 6: Final answer
    x = 4,292.31

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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.