Home / 7,085.25-10,626.21-2,921.13

Finding the Fourth Proportional to 7,085.25, 10,626.21 and 2,921.13

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Solution

The fourth proportional to 7,085.25, 10,626.21 and 2,921.13 is: 4,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.25 : 10,626.21 = 2,921.13 : x
  2. Step 2: Convert to fraction form
    7,085.25/10,626.21 = 2,921.13/x
  3. Step 3: Cross multiply
    7,085.25x = 10,626.21 × 2,921.13
  4. Step 4: Simplify right side
    7,085.25x = 31,040,540.82
  5. Step 5: Solve for x
    x = 31,040,540.82/7,085.25
  6. Step 6: Final answer
    x = 4,381.01

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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.