Home / 7,849.22-10,831.97-4,312.34

Finding the Fourth Proportional to 7,849.22, 10,831.97 and 4,312.34

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Solution

The fourth proportional to 7,849.22, 10,831.97 and 4,312.34 is: 5,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.22 : 10,831.97 = 4,312.34 : x
  2. Step 2: Convert to fraction form
    7,849.22/10,831.97 = 4,312.34/x
  3. Step 3: Cross multiply
    7,849.22x = 10,831.97 × 4,312.34
  4. Step 4: Simplify right side
    7,849.22x = 46,711,137.51
  5. Step 5: Solve for x
    x = 46,711,137.51/7,849.22
  6. Step 6: Final answer
    x = 5,951.05

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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.