Home / 7,887.02-11,831.58-2,340.43

Finding the Fourth Proportional to 7,887.02, 11,831.58 and 2,340.43

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Solution

The fourth proportional to 7,887.02, 11,831.58 and 2,340.43 is: 3,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.02 : 11,831.58 = 2,340.43 : x
  2. Step 2: Convert to fraction form
    7,887.02/11,831.58 = 2,340.43/x
  3. Step 3: Cross multiply
    7,887.02x = 11,831.58 × 2,340.43
  4. Step 4: Simplify right side
    7,887.02x = 27,690,955.20
  5. Step 5: Solve for x
    x = 27,690,955.20/7,887.02
  6. Step 6: Final answer
    x = 3,510.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.