Home / 4,785.78-6,604.38-2,690.58

Finding the Fourth Proportional to 4,785.78, 6,604.38 and 2,690.58

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Solution

The fourth proportional to 4,785.78, 6,604.38 and 2,690.58 is: 3,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.78 : 6,604.38 = 2,690.58 : x
  2. Step 2: Convert to fraction form
    4,785.78/6,604.38 = 2,690.58/x
  3. Step 3: Cross multiply
    4,785.78x = 6,604.38 × 2,690.58
  4. Step 4: Simplify right side
    4,785.78x = 17,769,612.74
  5. Step 5: Solve for x
    x = 17,769,612.74/4,785.78
  6. Step 6: Final answer
    x = 3,713.00

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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.