Home / 7,055.30-10,583.39-1,861.18

Finding the Fourth Proportional to 7,055.30, 10,583.39 and 1,861.18

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Solution

The fourth proportional to 7,055.30, 10,583.39 and 1,861.18 is: 2,791.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.30 : 10,583.39 = 1,861.18 : x
  2. Step 2: Convert to fraction form
    7,055.30/10,583.39 = 1,861.18/x
  3. Step 3: Cross multiply
    7,055.30x = 10,583.39 × 1,861.18
  4. Step 4: Simplify right side
    7,055.30x = 19,697,593.80
  5. Step 5: Solve for x
    x = 19,697,593.80/7,055.30
  6. Step 6: Final answer
    x = 2,791.89

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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.