Home / 8,747.94-13,111.66-4,307.65

Finding the Fourth Proportional to 8,747.94, 13,111.66 and 4,307.65

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Solution

The fourth proportional to 8,747.94, 13,111.66 and 4,307.65 is: 6,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.94 : 13,111.66 = 4,307.65 : x
  2. Step 2: Convert to fraction form
    8,747.94/13,111.66 = 4,307.65/x
  3. Step 3: Cross multiply
    8,747.94x = 13,111.66 × 4,307.65
  4. Step 4: Simplify right side
    8,747.94x = 56,480,398.65
  5. Step 5: Solve for x
    x = 56,480,398.65/8,747.94
  6. Step 6: Final answer
    x = 6,456.42

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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.