Home / 8,325.16-11,465.22-7,668.52

Finding the Fourth Proportional to 8,325.16, 11,465.22 and 7,668.52

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Solution

The fourth proportional to 8,325.16, 11,465.22 and 7,668.52 is: 10,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.16 : 11,465.22 = 7,668.52 : x
  2. Step 2: Convert to fraction form
    8,325.16/11,465.22 = 7,668.52/x
  3. Step 3: Cross multiply
    8,325.16x = 11,465.22 × 7,668.52
  4. Step 4: Simplify right side
    8,325.16x = 87,921,268.87
  5. Step 5: Solve for x
    x = 87,921,268.87/8,325.16
  6. Step 6: Final answer
    x = 10,560.91

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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.