Home / 4,816.80-6,646.86-2,799.90

Finding the Fourth Proportional to 4,816.80, 6,646.86 and 2,799.90

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Solution

The fourth proportional to 4,816.80, 6,646.86 and 2,799.90 is: 3,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.80 : 6,646.86 = 2,799.90 : x
  2. Step 2: Convert to fraction form
    4,816.80/6,646.86 = 2,799.90/x
  3. Step 3: Cross multiply
    4,816.80x = 6,646.86 × 2,799.90
  4. Step 4: Simplify right side
    4,816.80x = 18,610,543.31
  5. Step 5: Solve for x
    x = 18,610,543.31/4,816.80
  6. Step 6: Final answer
    x = 3,863.67

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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.