Home / 6,341.09-8,751.38-3,508.70

Finding the Fourth Proportional to 6,341.09, 8,751.38 and 3,508.70

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Solution

The fourth proportional to 6,341.09, 8,751.38 and 3,508.70 is: 4,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,341.09 : 8,751.38 = 3,508.70 : x
  2. Step 2: Convert to fraction form
    6,341.09/8,751.38 = 3,508.70/x
  3. Step 3: Cross multiply
    6,341.09x = 8,751.38 × 3,508.70
  4. Step 4: Simplify right side
    6,341.09x = 30,705,905.71
  5. Step 5: Solve for x
    x = 30,705,905.71/6,341.09
  6. Step 6: Final answer
    x = 4,842.37

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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.