Home / 6,317.82-8,718.60-3,485.13

Finding the Fourth Proportional to 6,317.82, 8,718.60 and 3,485.13

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Solution

The fourth proportional to 6,317.82, 8,718.60 and 3,485.13 is: 4,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.82 : 8,718.60 = 3,485.13 : x
  2. Step 2: Convert to fraction form
    6,317.82/8,718.60 = 3,485.13/x
  3. Step 3: Cross multiply
    6,317.82x = 8,718.60 × 3,485.13
  4. Step 4: Simplify right side
    6,317.82x = 30,385,454.42
  5. Step 5: Solve for x
    x = 30,385,454.42/6,317.82
  6. Step 6: Final answer
    x = 4,809.48

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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.