Home / 7,280.28-10,917.65-2,599.41

Finding the Fourth Proportional to 7,280.28, 10,917.65 and 2,599.41

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Solution

The fourth proportional to 7,280.28, 10,917.65 and 2,599.41 is: 3,898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.28 : 10,917.65 = 2,599.41 : x
  2. Step 2: Convert to fraction form
    7,280.28/10,917.65 = 2,599.41/x
  3. Step 3: Cross multiply
    7,280.28x = 10,917.65 × 2,599.41
  4. Step 4: Simplify right side
    7,280.28x = 28,379,475.88
  5. Step 5: Solve for x
    x = 28,379,475.88/7,280.28
  6. Step 6: Final answer
    x = 3,898.13

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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.