Home / 7,280.28-10,901.89-4,811.40

Finding the Fourth Proportional to 7,280.28, 10,901.89 and 4,811.40

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Solution

The fourth proportional to 7,280.28, 10,901.89 and 4,811.40 is: 7,204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.28 : 10,901.89 = 4,811.40 : x
  2. Step 2: Convert to fraction form
    7,280.28/10,901.89 = 4,811.40/x
  3. Step 3: Cross multiply
    7,280.28x = 10,901.89 × 4,811.40
  4. Step 4: Simplify right side
    7,280.28x = 52,453,359.56
  5. Step 5: Solve for x
    x = 52,453,359.56/7,280.28
  6. Step 6: Final answer
    x = 7,204.85

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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.