Home / 7,245.75-9,999.15-4,261.11

Finding the Fourth Proportional to 7,245.75, 9,999.15 and 4,261.11

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Solution

The fourth proportional to 7,245.75, 9,999.15 and 4,261.11 is: 5,880.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.75 : 9,999.15 = 4,261.11 : x
  2. Step 2: Convert to fraction form
    7,245.75/9,999.15 = 4,261.11/x
  3. Step 3: Cross multiply
    7,245.75x = 9,999.15 × 4,261.11
  4. Step 4: Simplify right side
    7,245.75x = 42,607,424.58
  5. Step 5: Solve for x
    x = 42,607,424.58/7,245.75
  6. Step 6: Final answer
    x = 5,880.33

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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.