Home / 6,622.20-9,140.58-4,265.10

Finding the Fourth Proportional to 6,622.20, 9,140.58 and 4,265.10

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Solution

The fourth proportional to 6,622.20, 9,140.58 and 4,265.10 is: 5,887.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.20 : 9,140.58 = 4,265.10 : x
  2. Step 2: Convert to fraction form
    6,622.20/9,140.58 = 4,265.10/x
  3. Step 3: Cross multiply
    6,622.20x = 9,140.58 × 4,265.10
  4. Step 4: Simplify right side
    6,622.20x = 38,985,487.76
  5. Step 5: Solve for x
    x = 38,985,487.76/6,622.20
  6. Step 6: Final answer
    x = 5,887.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.