Home / 7,451.25-11,159.87-3,558.39

Finding the Fourth Proportional to 7,451.25, 11,159.87 and 3,558.39

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Solution

The fourth proportional to 7,451.25, 11,159.87 and 3,558.39 is: 5,329.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.25 : 11,159.87 = 3,558.39 : x
  2. Step 2: Convert to fraction form
    7,451.25/11,159.87 = 3,558.39/x
  3. Step 3: Cross multiply
    7,451.25x = 11,159.87 × 3,558.39
  4. Step 4: Simplify right side
    7,451.25x = 39,711,152.02
  5. Step 5: Solve for x
    x = 39,711,152.02/7,451.25
  6. Step 6: Final answer
    x = 5,329.46

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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.