Home / 7,831.43-10,804.40-4,998.91

Finding the Fourth Proportional to 7,831.43, 10,804.40 and 4,998.91

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Solution

The fourth proportional to 7,831.43, 10,804.40 and 4,998.91 is: 6,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.43 : 10,804.40 = 4,998.91 : x
  2. Step 2: Convert to fraction form
    7,831.43/10,804.40 = 4,998.91/x
  3. Step 3: Cross multiply
    7,831.43x = 10,804.40 × 4,998.91
  4. Step 4: Simplify right side
    7,831.43x = 54,010,223.20
  5. Step 5: Solve for x
    x = 54,010,223.20/7,831.43
  6. Step 6: Final answer
    x = 6,896.60

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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.