Home / 5,705.20-8,552.40-4,455.10

Finding the Fourth Proportional to 5,705.20, 8,552.40 and 4,455.10

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Solution

The fourth proportional to 5,705.20, 8,552.40 and 4,455.10 is: 6,678.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.20 : 8,552.40 = 4,455.10 : x
  2. Step 2: Convert to fraction form
    5,705.20/8,552.40 = 4,455.10/x
  3. Step 3: Cross multiply
    5,705.20x = 8,552.40 × 4,455.10
  4. Step 4: Simplify right side
    5,705.20x = 38,101,797.24
  5. Step 5: Solve for x
    x = 38,101,797.24/5,705.20
  6. Step 6: Final answer
    x = 6,678.43

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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.