Home / 9,100.23-13,650.42-2,860.10

Finding the Fourth Proportional to 9,100.23, 13,650.42 and 2,860.10

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Solution

The fourth proportional to 9,100.23, 13,650.42 and 2,860.10 is: 4,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,100.23 : 13,650.42 = 2,860.10 : x
  2. Step 2: Convert to fraction form
    9,100.23/13,650.42 = 2,860.10/x
  3. Step 3: Cross multiply
    9,100.23x = 13,650.42 × 2,860.10
  4. Step 4: Simplify right side
    9,100.23x = 39,041,497.99
  5. Step 5: Solve for x
    x = 39,041,497.99/9,100.23
  6. Step 6: Final answer
    x = 4,290.17

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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.