Home / 7,620.05-10,516-4,262.85

Finding the Fourth Proportional to 7,620.05, 10,516 and 4,262.85

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Solution

The fourth proportional to 7,620.05, 10,516 and 4,262.85 is: 5,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.05 : 10,516 = 4,262.85 : x
  2. Step 2: Convert to fraction form
    7,620.05/10,516 = 4,262.85/x
  3. Step 3: Cross multiply
    7,620.05x = 10,516 × 4,262.85
  4. Step 4: Simplify right side
    7,620.05x = 44,828,130.60
  5. Step 5: Solve for x
    x = 44,828,130.60/7,620.05
  6. Step 6: Final answer
    x = 5,882.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.