Home / 7,220.05-10,831.16-3,060.08

Finding the Fourth Proportional to 7,220.05, 10,831.16 and 3,060.08

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Solution

The fourth proportional to 7,220.05, 10,831.16 and 3,060.08 is: 4,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.05 : 10,831.16 = 3,060.08 : x
  2. Step 2: Convert to fraction form
    7,220.05/10,831.16 = 3,060.08/x
  3. Step 3: Cross multiply
    7,220.05x = 10,831.16 × 3,060.08
  4. Step 4: Simplify right side
    7,220.05x = 33,144,216.09
  5. Step 5: Solve for x
    x = 33,144,216.09/7,220.05
  6. Step 6: Final answer
    x = 4,590.58

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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.