Home / 9,101.02-13,651.68-2,860.90

Finding the Fourth Proportional to 9,101.02, 13,651.68 and 2,860.90

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Solution

The fourth proportional to 9,101.02, 13,651.68 and 2,860.90 is: 4,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.02 : 13,651.68 = 2,860.90 : x
  2. Step 2: Convert to fraction form
    9,101.02/13,651.68 = 2,860.90/x
  3. Step 3: Cross multiply
    9,101.02x = 13,651.68 × 2,860.90
  4. Step 4: Simplify right side
    9,101.02x = 39,056,091.31
  5. Step 5: Solve for x
    x = 39,056,091.31/9,101.02
  6. Step 6: Final answer
    x = 4,291.40

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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.