Home / 6,740.47-9,306.39-4,223.59

Finding the Fourth Proportional to 6,740.47, 9,306.39 and 4,223.59

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Solution

The fourth proportional to 6,740.47, 9,306.39 and 4,223.59 is: 5,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.47 : 9,306.39 = 4,223.59 : x
  2. Step 2: Convert to fraction form
    6,740.47/9,306.39 = 4,223.59/x
  3. Step 3: Cross multiply
    6,740.47x = 9,306.39 × 4,223.59
  4. Step 4: Simplify right side
    6,740.47x = 39,306,375.74
  5. Step 5: Solve for x
    x = 39,306,375.74/6,740.47
  6. Step 6: Final answer
    x = 5,831.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.