Home / 8,765.10-13,140.27-3,830.99

Finding the Fourth Proportional to 8,765.10, 13,140.27 and 3,830.99

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Solution

The fourth proportional to 8,765.10, 13,140.27 and 3,830.99 is: 5,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.10 : 13,140.27 = 3,830.99 : x
  2. Step 2: Convert to fraction form
    8,765.10/13,140.27 = 3,830.99/x
  3. Step 3: Cross multiply
    8,765.10x = 13,140.27 × 3,830.99
  4. Step 4: Simplify right side
    8,765.10x = 50,340,177.27
  5. Step 5: Solve for x
    x = 50,340,177.27/8,765.10
  6. Step 6: Final answer
    x = 5,743.25

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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.