Home / 6,310.48-8,707.68-3,657.76

Finding the Fourth Proportional to 6,310.48, 8,707.68 and 3,657.76

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Solution

The fourth proportional to 6,310.48, 8,707.68 and 3,657.76 is: 5,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.48 : 8,707.68 = 3,657.76 : x
  2. Step 2: Convert to fraction form
    6,310.48/8,707.68 = 3,657.76/x
  3. Step 3: Cross multiply
    6,310.48x = 8,707.68 × 3,657.76
  4. Step 4: Simplify right side
    6,310.48x = 31,850,603.60
  5. Step 5: Solve for x
    x = 31,850,603.60/6,310.48
  6. Step 6: Final answer
    x = 5,047.26

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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.