Home / 5,987.10-8,977.04-2,479.40

Finding the Fourth Proportional to 5,987.10, 8,977.04 and 2,479.40

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Solution

The fourth proportional to 5,987.10, 8,977.04 and 2,479.40 is: 3,717.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.10 : 8,977.04 = 2,479.40 : x
  2. Step 2: Convert to fraction form
    5,987.10/8,977.04 = 2,479.40/x
  3. Step 3: Cross multiply
    5,987.10x = 8,977.04 × 2,479.40
  4. Step 4: Simplify right side
    5,987.10x = 22,257,672.98
  5. Step 5: Solve for x
    x = 22,257,672.98/5,987.10
  6. Step 6: Final answer
    x = 3,717.61

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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.