Home / 5,630.32-8,440.93-2,345.88

Finding the Fourth Proportional to 5,630.32, 8,440.93 and 2,345.88

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Solution

The fourth proportional to 5,630.32, 8,440.93 and 2,345.88 is: 3,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.32 : 8,440.93 = 2,345.88 : x
  2. Step 2: Convert to fraction form
    5,630.32/8,440.93 = 2,345.88/x
  3. Step 3: Cross multiply
    5,630.32x = 8,440.93 × 2,345.88
  4. Step 4: Simplify right side
    5,630.32x = 19,801,408.87
  5. Step 5: Solve for x
    x = 19,801,408.87/5,630.32
  6. Step 6: Final answer
    x = 3,516.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.