Home / 7,389.99-11,085.12-2,125.08

Finding the Fourth Proportional to 7,389.99, 11,085.12 and 2,125.08

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Solution

The fourth proportional to 7,389.99, 11,085.12 and 2,125.08 is: 3,187.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.99 : 11,085.12 = 2,125.08 : x
  2. Step 2: Convert to fraction form
    7,389.99/11,085.12 = 2,125.08/x
  3. Step 3: Cross multiply
    7,389.99x = 11,085.12 × 2,125.08
  4. Step 4: Simplify right side
    7,389.99x = 23,556,766.81
  5. Step 5: Solve for x
    x = 23,556,766.81/7,389.99
  6. Step 6: Final answer
    x = 3,187.66

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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.