Home / 8,345.76-11,518.56-4,811.04

Finding the Fourth Proportional to 8,345.76, 11,518.56 and 4,811.04

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Solution

The fourth proportional to 8,345.76, 11,518.56 and 4,811.04 is: 6,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.76 : 11,518.56 = 4,811.04 : x
  2. Step 2: Convert to fraction form
    8,345.76/11,518.56 = 4,811.04/x
  3. Step 3: Cross multiply
    8,345.76x = 11,518.56 × 4,811.04
  4. Step 4: Simplify right side
    8,345.76x = 55,416,252.90
  5. Step 5: Solve for x
    x = 55,416,252.90/8,345.76
  6. Step 6: Final answer
    x = 6,640.05

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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.