Home / 7,008.78-10,511.38-2,077.27

Finding the Fourth Proportional to 7,008.78, 10,511.38 and 2,077.27

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Solution

The fourth proportional to 7,008.78, 10,511.38 and 2,077.27 is: 3,115.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.78 : 10,511.38 = 2,077.27 : x
  2. Step 2: Convert to fraction form
    7,008.78/10,511.38 = 2,077.27/x
  3. Step 3: Cross multiply
    7,008.78x = 10,511.38 × 2,077.27
  4. Step 4: Simplify right side
    7,008.78x = 21,834,941.71
  5. Step 5: Solve for x
    x = 21,834,941.71/7,008.78
  6. Step 6: Final answer
    x = 3,115.37

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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.