Home / 7,849.79-10,831.19-4,493.64

Finding the Fourth Proportional to 7,849.79, 10,831.19 and 4,493.64

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Solution

The fourth proportional to 7,849.79, 10,831.19 and 4,493.64 is: 6,200.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.79 : 10,831.19 = 4,493.64 : x
  2. Step 2: Convert to fraction form
    7,849.79/10,831.19 = 4,493.64/x
  3. Step 3: Cross multiply
    7,849.79x = 10,831.19 × 4,493.64
  4. Step 4: Simplify right side
    7,849.79x = 48,671,446.16
  5. Step 5: Solve for x
    x = 48,671,446.16/7,849.79
  6. Step 6: Final answer
    x = 6,200.35

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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.