Home / 4,177.16-6,263.85-1,988.54

Finding the Fourth Proportional to 4,177.16, 6,263.85 and 1,988.54

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Solution

The fourth proportional to 4,177.16, 6,263.85 and 1,988.54 is: 2,981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.16 : 6,263.85 = 1,988.54 : x
  2. Step 2: Convert to fraction form
    4,177.16/6,263.85 = 1,988.54/x
  3. Step 3: Cross multiply
    4,177.16x = 6,263.85 × 1,988.54
  4. Step 4: Simplify right side
    4,177.16x = 12,455,916.28
  5. Step 5: Solve for x
    x = 12,455,916.28/4,177.16
  6. Step 6: Final answer
    x = 2,981.91

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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.