Home / 6,421.34-9,630.62-3,751.14

Finding the Fourth Proportional to 6,421.34, 9,630.62 and 3,751.14

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Solution

The fourth proportional to 6,421.34, 9,630.62 and 3,751.14 is: 5,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.34 : 9,630.62 = 3,751.14 : x
  2. Step 2: Convert to fraction form
    6,421.34/9,630.62 = 3,751.14/x
  3. Step 3: Cross multiply
    6,421.34x = 9,630.62 × 3,751.14
  4. Step 4: Simplify right side
    6,421.34x = 36,125,803.91
  5. Step 5: Solve for x
    x = 36,125,803.91/6,421.34
  6. Step 6: Final answer
    x = 5,625.90

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1.5x scale

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.