Home / 8,585.04-12,878.76-2,739.66

Finding the Fourth Proportional to 8,585.04, 12,878.76 and 2,739.66

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Solution

The fourth proportional to 8,585.04, 12,878.76 and 2,739.66 is: 4,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.04 : 12,878.76 = 2,739.66 : x
  2. Step 2: Convert to fraction form
    8,585.04/12,878.76 = 2,739.66/x
  3. Step 3: Cross multiply
    8,585.04x = 12,878.76 × 2,739.66
  4. Step 4: Simplify right side
    8,585.04x = 35,283,423.62
  5. Step 5: Solve for x
    x = 35,283,423.62/8,585.04
  6. Step 6: Final answer
    x = 4,109.87

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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.