Home / 5,405.05-8,109.06-4,589.11

Finding the Fourth Proportional to 5,405.05, 8,109.06 and 4,589.11

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Solution

The fourth proportional to 5,405.05, 8,109.06 and 4,589.11 is: 6,884.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.05 : 8,109.06 = 4,589.11 : x
  2. Step 2: Convert to fraction form
    5,405.05/8,109.06 = 4,589.11/x
  3. Step 3: Cross multiply
    5,405.05x = 8,109.06 × 4,589.11
  4. Step 4: Simplify right side
    5,405.05x = 37,213,368.34
  5. Step 5: Solve for x
    x = 37,213,368.34/5,405.05
  6. Step 6: Final answer
    x = 6,884.93

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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.