Home / 8,513.15-11,748.12-4,975.65

Finding the Fourth Proportional to 8,513.15, 11,748.12 and 4,975.65

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Solution

The fourth proportional to 8,513.15, 11,748.12 and 4,975.65 is: 6,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.15 : 11,748.12 = 4,975.65 : x
  2. Step 2: Convert to fraction form
    8,513.15/11,748.12 = 4,975.65/x
  3. Step 3: Cross multiply
    8,513.15x = 11,748.12 × 4,975.65
  4. Step 4: Simplify right side
    8,513.15x = 58,454,508.40
  5. Step 5: Solve for x
    x = 58,454,508.40/8,513.15
  6. Step 6: Final answer
    x = 6,866.38

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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.