Home / 5,530.20-8,285.70-4,666.20

Finding the Fourth Proportional to 5,530.20, 8,285.70 and 4,666.20

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Solution

The fourth proportional to 5,530.20, 8,285.70 and 4,666.20 is: 6,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.20 : 8,285.70 = 4,666.20 : x
  2. Step 2: Convert to fraction form
    5,530.20/8,285.70 = 4,666.20/x
  3. Step 3: Cross multiply
    5,530.20x = 8,285.70 × 4,666.20
  4. Step 4: Simplify right side
    5,530.20x = 38,662,733.34
  5. Step 5: Solve for x
    x = 38,662,733.34/5,530.20
  6. Step 6: Final answer
    x = 6,991.20

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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.