Home / 4,386.75-6,580.85-1,465.76

Finding the Fourth Proportional to 4,386.75, 6,580.85 and 1,465.76

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Solution

The fourth proportional to 4,386.75, 6,580.85 and 1,465.76 is: 2,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.75 : 6,580.85 = 1,465.76 : x
  2. Step 2: Convert to fraction form
    4,386.75/6,580.85 = 1,465.76/x
  3. Step 3: Cross multiply
    4,386.75x = 6,580.85 × 1,465.76
  4. Step 4: Simplify right side
    4,386.75x = 9,645,906.46
  5. Step 5: Solve for x
    x = 9,645,906.46/4,386.75
  6. Step 6: Final answer
    x = 2,198.87

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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.