Home / 5,665.46-8,486.91-4,427.08

Finding the Fourth Proportional to 5,665.46, 8,486.91 and 4,427.08

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Solution

The fourth proportional to 5,665.46, 8,486.91 and 4,427.08 is: 6,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.46 : 8,486.91 = 4,427.08 : x
  2. Step 2: Convert to fraction form
    5,665.46/8,486.91 = 4,427.08/x
  3. Step 3: Cross multiply
    5,665.46x = 8,486.91 × 4,427.08
  4. Step 4: Simplify right side
    5,665.46x = 37,572,229.52
  5. Step 5: Solve for x
    x = 37,572,229.52/5,665.46
  6. Step 6: Final answer
    x = 6,631.81

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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.