Home / 5,477.10-8,215.65-3,399.45

Finding the Fourth Proportional to 5,477.10, 8,215.65 and 3,399.45

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Solution

The fourth proportional to 5,477.10, 8,215.65 and 3,399.45 is: 5,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.10 : 8,215.65 = 3,399.45 : x
  2. Step 2: Convert to fraction form
    5,477.10/8,215.65 = 3,399.45/x
  3. Step 3: Cross multiply
    5,477.10x = 8,215.65 × 3,399.45
  4. Step 4: Simplify right side
    5,477.10x = 27,928,691.39
  5. Step 5: Solve for x
    x = 27,928,691.39/5,477.10
  6. Step 6: Final answer
    x = 5,099.18

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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.