Home / 7,487.44-11,228.07-2,557.48

Finding the Fourth Proportional to 7,487.44, 11,228.07 and 2,557.48

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Solution

The fourth proportional to 7,487.44, 11,228.07 and 2,557.48 is: 3,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.44 : 11,228.07 = 2,557.48 : x
  2. Step 2: Convert to fraction form
    7,487.44/11,228.07 = 2,557.48/x
  3. Step 3: Cross multiply
    7,487.44x = 11,228.07 × 2,557.48
  4. Step 4: Simplify right side
    7,487.44x = 28,715,564.46
  5. Step 5: Solve for x
    x = 28,715,564.46/7,487.44
  6. Step 6: Final answer
    x = 3,835.16

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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.