Home / 4,478.83-6,176.65-2,799.70

Finding the Fourth Proportional to 4,478.83, 6,176.65 and 2,799.70

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Solution

The fourth proportional to 4,478.83, 6,176.65 and 2,799.70 is: 3,861.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.83 : 6,176.65 = 2,799.70 : x
  2. Step 2: Convert to fraction form
    4,478.83/6,176.65 = 2,799.70/x
  3. Step 3: Cross multiply
    4,478.83x = 6,176.65 × 2,799.70
  4. Step 4: Simplify right side
    4,478.83x = 17,292,767.01
  5. Step 5: Solve for x
    x = 17,292,767.01/4,478.83
  6. Step 6: Final answer
    x = 3,861.00

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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.