Home / 6,400.18-8,831.88-3,567.46

Finding the Fourth Proportional to 6,400.18, 8,831.88 and 3,567.46

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Solution

The fourth proportional to 6,400.18, 8,831.88 and 3,567.46 is: 4,922.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.18 : 8,831.88 = 3,567.46 : x
  2. Step 2: Convert to fraction form
    6,400.18/8,831.88 = 3,567.46/x
  3. Step 3: Cross multiply
    6,400.18x = 8,831.88 × 3,567.46
  4. Step 4: Simplify right side
    6,400.18x = 31,507,378.62
  5. Step 5: Solve for x
    x = 31,507,378.62/6,400.18
  6. Step 6: Final answer
    x = 4,922.89

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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.