Home / 6,418.40-8,854.76-4,923.68

Finding the Fourth Proportional to 6,418.40, 8,854.76 and 4,923.68

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Solution

The fourth proportional to 6,418.40, 8,854.76 and 4,923.68 is: 6,792.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.40 : 8,854.76 = 4,923.68 : x
  2. Step 2: Convert to fraction form
    6,418.40/8,854.76 = 4,923.68/x
  3. Step 3: Cross multiply
    6,418.40x = 8,854.76 × 4,923.68
  4. Step 4: Simplify right side
    6,418.40x = 43,598,004.72
  5. Step 5: Solve for x
    x = 43,598,004.72/6,418.40
  6. Step 6: Final answer
    x = 6,792.66

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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.