Home / 9,645.32-13,310.42-5,666.79

Finding the Fourth Proportional to 9,645.32, 13,310.42 and 5,666.79

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Solution

The fourth proportional to 9,645.32, 13,310.42 and 5,666.79 is: 7,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,645.32 : 13,310.42 = 5,666.79 : x
  2. Step 2: Convert to fraction form
    9,645.32/13,310.42 = 5,666.79/x
  3. Step 3: Cross multiply
    9,645.32x = 13,310.42 × 5,666.79
  4. Step 4: Simplify right side
    9,645.32x = 75,427,326.62
  5. Step 5: Solve for x
    x = 75,427,326.62/9,645.32
  6. Step 6: Final answer
    x = 7,820.10

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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.