Home / 7,847.68-10,831.77-4,491.52

Finding the Fourth Proportional to 7,847.68, 10,831.77 and 4,491.52

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Solution

The fourth proportional to 7,847.68, 10,831.77 and 4,491.52 is: 6,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.68 : 10,831.77 = 4,491.52 : x
  2. Step 2: Convert to fraction form
    7,847.68/10,831.77 = 4,491.52/x
  3. Step 3: Cross multiply
    7,847.68x = 10,831.77 × 4,491.52
  4. Step 4: Simplify right side
    7,847.68x = 48,651,111.59
  5. Step 5: Solve for x
    x = 48,651,111.59/7,847.68
  6. Step 6: Final answer
    x = 6,199.43

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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.