Home / 7,089.40-10,634.11-1,895.27

Finding the Fourth Proportional to 7,089.40, 10,634.11 and 1,895.27

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Solution

The fourth proportional to 7,089.40, 10,634.11 and 1,895.27 is: 2,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.40 : 10,634.11 = 1,895.27 : x
  2. Step 2: Convert to fraction form
    7,089.40/10,634.11 = 1,895.27/x
  3. Step 3: Cross multiply
    7,089.40x = 10,634.11 × 1,895.27
  4. Step 4: Simplify right side
    7,089.40x = 20,154,546.81
  5. Step 5: Solve for x
    x = 20,154,546.81/7,089.40
  6. Step 6: Final answer
    x = 2,842.91

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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.