Home / 7,220.53-10,831.10-2,290.06

Finding the Fourth Proportional to 7,220.53, 10,831.10 and 2,290.06

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Solution

The fourth proportional to 7,220.53, 10,831.10 and 2,290.06 is: 3,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.53 : 10,831.10 = 2,290.06 : x
  2. Step 2: Convert to fraction form
    7,220.53/10,831.10 = 2,290.06/x
  3. Step 3: Cross multiply
    7,220.53x = 10,831.10 × 2,290.06
  4. Step 4: Simplify right side
    7,220.53x = 24,803,868.87
  5. Step 5: Solve for x
    x = 24,803,868.87/7,220.53
  6. Step 6: Final answer
    x = 3,435.19

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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.