Home / 8,355.60-11,518.48-6,362.72

Finding the Fourth Proportional to 8,355.60, 11,518.48 and 6,362.72

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Solution

The fourth proportional to 8,355.60, 11,518.48 and 6,362.72 is: 8,771.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.60 : 11,518.48 = 6,362.72 : x
  2. Step 2: Convert to fraction form
    8,355.60/11,518.48 = 6,362.72/x
  3. Step 3: Cross multiply
    8,355.60x = 11,518.48 × 6,362.72
  4. Step 4: Simplify right side
    8,355.60x = 73,288,863.07
  5. Step 5: Solve for x
    x = 73,288,863.07/8,355.60
  6. Step 6: Final answer
    x = 8,771.23

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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.