Home / 6,421.55-9,614.94-3,337.07

Finding the Fourth Proportional to 6,421.55, 9,614.94 and 3,337.07

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Solution

The fourth proportional to 6,421.55, 9,614.94 and 3,337.07 is: 4,996.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.55 : 9,614.94 = 3,337.07 : x
  2. Step 2: Convert to fraction form
    6,421.55/9,614.94 = 3,337.07/x
  3. Step 3: Cross multiply
    6,421.55x = 9,614.94 × 3,337.07
  4. Step 4: Simplify right side
    6,421.55x = 32,085,727.83
  5. Step 5: Solve for x
    x = 32,085,727.83/6,421.55
  6. Step 6: Final answer
    x = 4,996.57

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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.