Home / 7,347.28-11,016.78-2,415.60

Finding the Fourth Proportional to 7,347.28, 11,016.78 and 2,415.60

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Solution

The fourth proportional to 7,347.28, 11,016.78 and 2,415.60 is: 3,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.28 : 11,016.78 = 2,415.60 : x
  2. Step 2: Convert to fraction form
    7,347.28/11,016.78 = 2,415.60/x
  3. Step 3: Cross multiply
    7,347.28x = 11,016.78 × 2,415.60
  4. Step 4: Simplify right side
    7,347.28x = 26,612,133.77
  5. Step 5: Solve for x
    x = 26,612,133.77/7,347.28
  6. Step 6: Final answer
    x = 3,622.04

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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.