Home / 8,089.23-12,114.71-5,158.65

Finding the Fourth Proportional to 8,089.23, 12,114.71 and 5,158.65

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Solution

The fourth proportional to 8,089.23, 12,114.71 and 5,158.65 is: 7,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.23 : 12,114.71 = 5,158.65 : x
  2. Step 2: Convert to fraction form
    8,089.23/12,114.71 = 5,158.65/x
  3. Step 3: Cross multiply
    8,089.23x = 12,114.71 × 5,158.65
  4. Step 4: Simplify right side
    8,089.23x = 62,495,522.95
  5. Step 5: Solve for x
    x = 62,495,522.95/8,089.23
  6. Step 6: Final answer
    x = 7,725.77

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1.5x scale

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.