Home / 6,319.18-8,718.42-3,630.08

Finding the Fourth Proportional to 6,319.18, 8,718.42 and 3,630.08

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Solution

The fourth proportional to 6,319.18, 8,718.42 and 3,630.08 is: 5,008.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.18 : 8,718.42 = 3,630.08 : x
  2. Step 2: Convert to fraction form
    6,319.18/8,718.42 = 3,630.08/x
  3. Step 3: Cross multiply
    6,319.18x = 8,718.42 × 3,630.08
  4. Step 4: Simplify right side
    6,319.18x = 31,648,562.07
  5. Step 5: Solve for x
    x = 31,648,562.07/6,319.18
  6. Step 6: Final answer
    x = 5,008.33

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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.