Home / 7,110.06-10,665.12-2,430.60

Finding the Fourth Proportional to 7,110.06, 10,665.12 and 2,430.60

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Solution

The fourth proportional to 7,110.06, 10,665.12 and 2,430.60 is: 3,645.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.06 : 10,665.12 = 2,430.60 : x
  2. Step 2: Convert to fraction form
    7,110.06/10,665.12 = 2,430.60/x
  3. Step 3: Cross multiply
    7,110.06x = 10,665.12 × 2,430.60
  4. Step 4: Simplify right side
    7,110.06x = 25,922,640.67
  5. Step 5: Solve for x
    x = 25,922,640.67/7,110.06
  6. Step 6: Final answer
    x = 3,645.91

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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.