Home / 4,610.20-6,915.69-1,977.82

Finding the Fourth Proportional to 4,610.20, 6,915.69 and 1,977.82

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Solution

The fourth proportional to 4,610.20, 6,915.69 and 1,977.82 is: 2,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.20 : 6,915.69 = 1,977.82 : x
  2. Step 2: Convert to fraction form
    4,610.20/6,915.69 = 1,977.82/x
  3. Step 3: Cross multiply
    4,610.20x = 6,915.69 × 1,977.82
  4. Step 4: Simplify right side
    4,610.20x = 13,677,972.71
  5. Step 5: Solve for x
    x = 13,677,972.71/4,610.20
  6. Step 6: Final answer
    x = 2,966.90

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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.