Home / 7,403.59-11,111.21-3,452.81

Finding the Fourth Proportional to 7,403.59, 11,111.21 and 3,452.81

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Solution

The fourth proportional to 7,403.59, 11,111.21 and 3,452.81 is: 5,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.59 : 11,111.21 = 3,452.81 : x
  2. Step 2: Convert to fraction form
    7,403.59/11,111.21 = 3,452.81/x
  3. Step 3: Cross multiply
    7,403.59x = 11,111.21 × 3,452.81
  4. Step 4: Simplify right side
    7,403.59x = 38,364,879.74
  5. Step 5: Solve for x
    x = 38,364,879.74/7,403.59
  6. Step 6: Final answer
    x = 5,181.93

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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.