Home / 7,419.28-10,237.50-4,274.92

Finding the Fourth Proportional to 7,419.28, 10,237.50 and 4,274.92

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Solution

The fourth proportional to 7,419.28, 10,237.50 and 4,274.92 is: 5,898.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.28 : 10,237.50 = 4,274.92 : x
  2. Step 2: Convert to fraction form
    7,419.28/10,237.50 = 4,274.92/x
  3. Step 3: Cross multiply
    7,419.28x = 10,237.50 × 4,274.92
  4. Step 4: Simplify right side
    7,419.28x = 43,764,493.50
  5. Step 5: Solve for x
    x = 43,764,493.50/7,419.28
  6. Step 6: Final answer
    x = 5,898.75

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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.