Home / 7,412.28-10,228.86-4,268.76

Finding the Fourth Proportional to 7,412.28, 10,228.86 and 4,268.76

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Solution

The fourth proportional to 7,412.28, 10,228.86 and 4,268.76 is: 5,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.28 : 10,228.86 = 4,268.76 : x
  2. Step 2: Convert to fraction form
    7,412.28/10,228.86 = 4,268.76/x
  3. Step 3: Cross multiply
    7,412.28x = 10,228.86 × 4,268.76
  4. Step 4: Simplify right side
    7,412.28x = 43,664,548.41
  5. Step 5: Solve for x
    x = 43,664,548.41/7,412.28
  6. Step 6: Final answer
    x = 5,890.84

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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.