Home / 7,280.36-10,917.85-2,599.12

Finding the Fourth Proportional to 7,280.36, 10,917.85 and 2,599.12

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Solution

The fourth proportional to 7,280.36, 10,917.85 and 2,599.12 is: 3,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.36 : 10,917.85 = 2,599.12 : x
  2. Step 2: Convert to fraction form
    7,280.36/10,917.85 = 2,599.12/x
  3. Step 3: Cross multiply
    7,280.36x = 10,917.85 × 2,599.12
  4. Step 4: Simplify right side
    7,280.36x = 28,376,768.50
  5. Step 5: Solve for x
    x = 28,376,768.50/7,280.36
  6. Step 6: Final answer
    x = 3,897.71

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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.