Home / 7,403.32-11,106.42-3,505.60

Finding the Fourth Proportional to 7,403.32, 11,106.42 and 3,505.60

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Solution

The fourth proportional to 7,403.32, 11,106.42 and 3,505.60 is: 5,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.32 : 11,106.42 = 3,505.60 : x
  2. Step 2: Convert to fraction form
    7,403.32/11,106.42 = 3,505.60/x
  3. Step 3: Cross multiply
    7,403.32x = 11,106.42 × 3,505.60
  4. Step 4: Simplify right side
    7,403.32x = 38,934,665.95
  5. Step 5: Solve for x
    x = 38,934,665.95/7,403.32
  6. Step 6: Final answer
    x = 5,259.08

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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.