Home / 7,187.04-10,781.61-3,675.15

Finding the Fourth Proportional to 7,187.04, 10,781.61 and 3,675.15

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Solution

The fourth proportional to 7,187.04, 10,781.61 and 3,675.15 is: 5,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.04 : 10,781.61 = 3,675.15 : x
  2. Step 2: Convert to fraction form
    7,187.04/10,781.61 = 3,675.15/x
  3. Step 3: Cross multiply
    7,187.04x = 10,781.61 × 3,675.15
  4. Step 4: Simplify right side
    7,187.04x = 39,624,033.99
  5. Step 5: Solve for x
    x = 39,624,033.99/7,187.04
  6. Step 6: Final answer
    x = 5,513.26

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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.