Home / 6,421.62-9,632.58-2,039.10

Finding the Fourth Proportional to 6,421.62, 9,632.58 and 2,039.10

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Solution

The fourth proportional to 6,421.62, 9,632.58 and 2,039.10 is: 3,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.62 : 9,632.58 = 2,039.10 : x
  2. Step 2: Convert to fraction form
    6,421.62/9,632.58 = 2,039.10/x
  3. Step 3: Cross multiply
    6,421.62x = 9,632.58 × 2,039.10
  4. Step 4: Simplify right side
    6,421.62x = 19,641,793.88
  5. Step 5: Solve for x
    x = 19,641,793.88/6,421.62
  6. Step 6: Final answer
    x = 3,058.70

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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.