Home / 7,650.32-10,567.06-6,310.78

Finding the Fourth Proportional to 7,650.32, 10,567.06 and 6,310.78

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Solution

The fourth proportional to 7,650.32, 10,567.06 and 6,310.78 is: 8,716.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.32 : 10,567.06 = 6,310.78 : x
  2. Step 2: Convert to fraction form
    7,650.32/10,567.06 = 6,310.78/x
  3. Step 3: Cross multiply
    7,650.32x = 10,567.06 × 6,310.78
  4. Step 4: Simplify right side
    7,650.32x = 66,686,348.71
  5. Step 5: Solve for x
    x = 66,686,348.71/7,650.32
  6. Step 6: Final answer
    x = 8,716.81

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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.