Home / 8,580.04-12,870.51-2,736.19

Finding the Fourth Proportional to 8,580.04, 12,870.51 and 2,736.19

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Solution

The fourth proportional to 8,580.04, 12,870.51 and 2,736.19 is: 4,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.04 : 12,870.51 = 2,736.19 : x
  2. Step 2: Convert to fraction form
    8,580.04/12,870.51 = 2,736.19/x
  3. Step 3: Cross multiply
    8,580.04x = 12,870.51 × 2,736.19
  4. Step 4: Simplify right side
    8,580.04x = 35,216,128.58
  5. Step 5: Solve for x
    x = 35,216,128.58/8,580.04
  6. Step 6: Final answer
    x = 4,104.43

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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.