Home / 7,470.90-10,310.43-4,284.48

Finding the Fourth Proportional to 7,470.90, 10,310.43 and 4,284.48

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Solution

The fourth proportional to 7,470.90, 10,310.43 and 4,284.48 is: 5,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.90 : 10,310.43 = 4,284.48 : x
  2. Step 2: Convert to fraction form
    7,470.90/10,310.43 = 4,284.48/x
  3. Step 3: Cross multiply
    7,470.90x = 10,310.43 × 4,284.48
  4. Step 4: Simplify right side
    7,470.90x = 44,174,831.13
  5. Step 5: Solve for x
    x = 44,174,831.13/7,470.90
  6. Step 6: Final answer
    x = 5,912.92

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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.