Home / 7,764.63-10,714.86-4,227.85

Finding the Fourth Proportional to 7,764.63, 10,714.86 and 4,227.85

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Solution

The fourth proportional to 7,764.63, 10,714.86 and 4,227.85 is: 5,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.63 : 10,714.86 = 4,227.85 : x
  2. Step 2: Convert to fraction form
    7,764.63/10,714.86 = 4,227.85/x
  3. Step 3: Cross multiply
    7,764.63x = 10,714.86 × 4,227.85
  4. Step 4: Simplify right side
    7,764.63x = 45,300,767.28
  5. Step 5: Solve for x
    x = 45,300,767.28/7,764.63
  6. Step 6: Final answer
    x = 5,834.25

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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.