Home / 7,188.09-10,782.18-2,508.08

Finding the Fourth Proportional to 7,188.09, 10,782.18 and 2,508.08

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Solution

The fourth proportional to 7,188.09, 10,782.18 and 2,508.08 is: 3,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.09 : 10,782.18 = 2,508.08 : x
  2. Step 2: Convert to fraction form
    7,188.09/10,782.18 = 2,508.08/x
  3. Step 3: Cross multiply
    7,188.09x = 10,782.18 × 2,508.08
  4. Step 4: Simplify right side
    7,188.09x = 27,042,570.01
  5. Step 5: Solve for x
    x = 27,042,570.01/7,188.09
  6. Step 6: Final answer
    x = 3,762.14

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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.