Home / 5,438.07-8,156.03-2,663.55

Finding the Fourth Proportional to 5,438.07, 8,156.03 and 2,663.55

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Solution

The fourth proportional to 5,438.07, 8,156.03 and 2,663.55 is: 3,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.07 : 8,156.03 = 2,663.55 : x
  2. Step 2: Convert to fraction form
    5,438.07/8,156.03 = 2,663.55/x
  3. Step 3: Cross multiply
    5,438.07x = 8,156.03 × 2,663.55
  4. Step 4: Simplify right side
    5,438.07x = 21,723,980.39
  5. Step 5: Solve for x
    x = 21,723,980.39/5,438.07
  6. Step 6: Final answer
    x = 3,994.80

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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.