Home / 5,607.91-7,740.10-3,218.27

Finding the Fourth Proportional to 5,607.91, 7,740.10 and 3,218.27

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Solution

The fourth proportional to 5,607.91, 7,740.10 and 3,218.27 is: 4,441.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.91 : 7,740.10 = 3,218.27 : x
  2. Step 2: Convert to fraction form
    5,607.91/7,740.10 = 3,218.27/x
  3. Step 3: Cross multiply
    5,607.91x = 7,740.10 × 3,218.27
  4. Step 4: Simplify right side
    5,607.91x = 24,909,727.34
  5. Step 5: Solve for x
    x = 24,909,727.34/5,607.91
  6. Step 6: Final answer
    x = 4,441.89

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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.