Home / 8,702.46-13,050.77-3,154.65

Finding the Fourth Proportional to 8,702.46, 13,050.77 and 3,154.65

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Solution

The fourth proportional to 8,702.46, 13,050.77 and 3,154.65 is: 4,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702.46 : 13,050.77 = 3,154.65 : x
  2. Step 2: Convert to fraction form
    8,702.46/13,050.77 = 3,154.65/x
  3. Step 3: Cross multiply
    8,702.46x = 13,050.77 × 3,154.65
  4. Step 4: Simplify right side
    8,702.46x = 41,170,595.81
  5. Step 5: Solve for x
    x = 41,170,595.81/8,702.46
  6. Step 6: Final answer
    x = 4,730.91

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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.