Home / 7,874.42-10,867.16-4,518.18

Finding the Fourth Proportional to 7,874.42, 10,867.16 and 4,518.18

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Solution

The fourth proportional to 7,874.42, 10,867.16 and 4,518.18 is: 6,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874.42 : 10,867.16 = 4,518.18 : x
  2. Step 2: Convert to fraction form
    7,874.42/10,867.16 = 4,518.18/x
  3. Step 3: Cross multiply
    7,874.42x = 10,867.16 × 4,518.18
  4. Step 4: Simplify right side
    7,874.42x = 49,099,796.26
  5. Step 5: Solve for x
    x = 49,099,796.26/7,874.42
  6. Step 6: Final answer
    x = 6,235.36

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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.