Home / 6,454.08-9,680.67-2,071.17

Finding the Fourth Proportional to 6,454.08, 9,680.67 and 2,071.17

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Solution

The fourth proportional to 6,454.08, 9,680.67 and 2,071.17 is: 3,106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.08 : 9,680.67 = 2,071.17 : x
  2. Step 2: Convert to fraction form
    6,454.08/9,680.67 = 2,071.17/x
  3. Step 3: Cross multiply
    6,454.08x = 9,680.67 × 2,071.17
  4. Step 4: Simplify right side
    6,454.08x = 20,050,313.28
  5. Step 5: Solve for x
    x = 20,050,313.28/6,454.08
  6. Step 6: Final answer
    x = 3,106.61

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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.