Home / 6,680.81-10,019.70-2,521.26

Finding the Fourth Proportional to 6,680.81, 10,019.70 and 2,521.26

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Solution

The fourth proportional to 6,680.81, 10,019.70 and 2,521.26 is: 3,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.81 : 10,019.70 = 2,521.26 : x
  2. Step 2: Convert to fraction form
    6,680.81/10,019.70 = 2,521.26/x
  3. Step 3: Cross multiply
    6,680.81x = 10,019.70 × 2,521.26
  4. Step 4: Simplify right side
    6,680.81x = 25,262,268.82
  5. Step 5: Solve for x
    x = 25,262,268.82/6,680.81
  6. Step 6: Final answer
    x = 3,781.32

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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.