Home / 6,718.39-10,077.81-3,020.63

Finding the Fourth Proportional to 6,718.39, 10,077.81 and 3,020.63

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Solution

The fourth proportional to 6,718.39, 10,077.81 and 3,020.63 is: 4,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.39 : 10,077.81 = 3,020.63 : x
  2. Step 2: Convert to fraction form
    6,718.39/10,077.81 = 3,020.63/x
  3. Step 3: Cross multiply
    6,718.39x = 10,077.81 × 3,020.63
  4. Step 4: Simplify right side
    6,718.39x = 30,441,335.22
  5. Step 5: Solve for x
    x = 30,441,335.22/6,718.39
  6. Step 6: Final answer
    x = 4,531.05

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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.