Home / 5,548.08-8,316.38-2,215.06

Finding the Fourth Proportional to 5,548.08, 8,316.38 and 2,215.06

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Solution

The fourth proportional to 5,548.08, 8,316.38 and 2,215.06 is: 3,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.08 : 8,316.38 = 2,215.06 : x
  2. Step 2: Convert to fraction form
    5,548.08/8,316.38 = 2,215.06/x
  3. Step 3: Cross multiply
    5,548.08x = 8,316.38 × 2,215.06
  4. Step 4: Simplify right side
    5,548.08x = 18,421,280.68
  5. Step 5: Solve for x
    x = 18,421,280.68/5,548.08
  6. Step 6: Final answer
    x = 3,320.30

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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.