Home / 8,854.34-12,219.04-5,077.65

Finding the Fourth Proportional to 8,854.34, 12,219.04 and 5,077.65

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Solution

The fourth proportional to 8,854.34, 12,219.04 and 5,077.65 is: 7,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.34 : 12,219.04 = 5,077.65 : x
  2. Step 2: Convert to fraction form
    8,854.34/12,219.04 = 5,077.65/x
  3. Step 3: Cross multiply
    8,854.34x = 12,219.04 × 5,077.65
  4. Step 4: Simplify right side
    8,854.34x = 62,043,983.07
  5. Step 5: Solve for x
    x = 62,043,983.07/8,854.34
  6. Step 6: Final answer
    x = 7,007.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.