Home / 7,223.47-10,831.95-3,325.75

Finding the Fourth Proportional to 7,223.47, 10,831.95 and 3,325.75

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Solution

The fourth proportional to 7,223.47, 10,831.95 and 3,325.75 is: 4,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.47 : 10,831.95 = 3,325.75 : x
  2. Step 2: Convert to fraction form
    7,223.47/10,831.95 = 3,325.75/x
  3. Step 3: Cross multiply
    7,223.47x = 10,831.95 × 3,325.75
  4. Step 4: Simplify right side
    7,223.47x = 36,024,357.71
  5. Step 5: Solve for x
    x = 36,024,357.71/7,223.47
  6. Step 6: Final answer
    x = 4,987.13

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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.