Home / 7,007.79-10,511.68-2,077.05

Finding the Fourth Proportional to 7,007.79, 10,511.68 and 2,077.05

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Solution

The fourth proportional to 7,007.79, 10,511.68 and 2,077.05 is: 3,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.79 : 10,511.68 = 2,077.05 : x
  2. Step 2: Convert to fraction form
    7,007.79/10,511.68 = 2,077.05/x
  3. Step 3: Cross multiply
    7,007.79x = 10,511.68 × 2,077.05
  4. Step 4: Simplify right side
    7,007.79x = 21,833,284.94
  5. Step 5: Solve for x
    x = 21,833,284.94/7,007.79
  6. Step 6: Final answer
    x = 3,115.57

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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.