Home / 7,831.04-11,736.12-4,132.40

Finding the Fourth Proportional to 7,831.04, 11,736.12 and 4,132.40

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Solution

The fourth proportional to 7,831.04, 11,736.12 and 4,132.40 is: 6,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.04 : 11,736.12 = 4,132.40 : x
  2. Step 2: Convert to fraction form
    7,831.04/11,736.12 = 4,132.40/x
  3. Step 3: Cross multiply
    7,831.04x = 11,736.12 × 4,132.40
  4. Step 4: Simplify right side
    7,831.04x = 48,498,342.29
  5. Step 5: Solve for x
    x = 48,498,342.29/7,831.04
  6. Step 6: Final answer
    x = 6,193.09

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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.