Home / 4,934.78-6,809.37-2,810.58

Finding the Fourth Proportional to 4,934.78, 6,809.37 and 2,810.58

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Solution

The fourth proportional to 4,934.78, 6,809.37 and 2,810.58 is: 3,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,934.78 : 6,809.37 = 2,810.58 : x
  2. Step 2: Convert to fraction form
    4,934.78/6,809.37 = 2,810.58/x
  3. Step 3: Cross multiply
    4,934.78x = 6,809.37 × 2,810.58
  4. Step 4: Simplify right side
    4,934.78x = 19,138,279.13
  5. Step 5: Solve for x
    x = 19,138,279.13/4,934.78
  6. Step 6: Final answer
    x = 3,878.24

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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.