Home / 5,918.58-8,876.66-2,220.66

Finding the Fourth Proportional to 5,918.58, 8,876.66 and 2,220.66

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Solution

The fourth proportional to 5,918.58, 8,876.66 and 2,220.66 is: 3,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.58 : 8,876.66 = 2,220.66 : x
  2. Step 2: Convert to fraction form
    5,918.58/8,876.66 = 2,220.66/x
  3. Step 3: Cross multiply
    5,918.58x = 8,876.66 × 2,220.66
  4. Step 4: Simplify right side
    5,918.58x = 19,712,032.69
  5. Step 5: Solve for x
    x = 19,712,032.69/5,918.58
  6. Step 6: Final answer
    x = 3,330.53

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1.5x scale

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.