Home / 8,642.35-11,926.67-4,865.65

Finding the Fourth Proportional to 8,642.35, 11,926.67 and 4,865.65

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Solution

The fourth proportional to 8,642.35, 11,926.67 and 4,865.65 is: 6,714.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642.35 : 11,926.67 = 4,865.65 : x
  2. Step 2: Convert to fraction form
    8,642.35/11,926.67 = 4,865.65/x
  3. Step 3: Cross multiply
    8,642.35x = 11,926.67 × 4,865.65
  4. Step 4: Simplify right side
    8,642.35x = 58,030,977.56
  5. Step 5: Solve for x
    x = 58,030,977.56/8,642.35
  6. Step 6: Final answer
    x = 6,714.72

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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.