Home / 6,601.70-9,902.55-4,268.90

Finding the Fourth Proportional to 6,601.70, 9,902.55 and 4,268.90

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Solution

The fourth proportional to 6,601.70, 9,902.55 and 4,268.90 is: 6,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.70 : 9,902.55 = 4,268.90 : x
  2. Step 2: Convert to fraction form
    6,601.70/9,902.55 = 4,268.90/x
  3. Step 3: Cross multiply
    6,601.70x = 9,902.55 × 4,268.90
  4. Step 4: Simplify right side
    6,601.70x = 42,272,995.70
  5. Step 5: Solve for x
    x = 42,272,995.70/6,601.70
  6. Step 6: Final answer
    x = 6,403.35

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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.