Home / 7,326.29-10,987.13-2,645.68

Finding the Fourth Proportional to 7,326.29, 10,987.13 and 2,645.68

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Solution

The fourth proportional to 7,326.29, 10,987.13 and 2,645.68 is: 3,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.29 : 10,987.13 = 2,645.68 : x
  2. Step 2: Convert to fraction form
    7,326.29/10,987.13 = 2,645.68/x
  3. Step 3: Cross multiply
    7,326.29x = 10,987.13 × 2,645.68
  4. Step 4: Simplify right side
    7,326.29x = 29,068,430.10
  5. Step 5: Solve for x
    x = 29,068,430.10/7,326.29
  6. Step 6: Final answer
    x = 3,967.69

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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.