Home / 4,642.19-6,405.06-2,753.68

Finding the Fourth Proportional to 4,642.19, 6,405.06 and 2,753.68

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Solution

The fourth proportional to 4,642.19, 6,405.06 and 2,753.68 is: 3,799.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.19 : 6,405.06 = 2,753.68 : x
  2. Step 2: Convert to fraction form
    4,642.19/6,405.06 = 2,753.68/x
  3. Step 3: Cross multiply
    4,642.19x = 6,405.06 × 2,753.68
  4. Step 4: Simplify right side
    4,642.19x = 17,637,515.09
  5. Step 5: Solve for x
    x = 17,637,515.09/4,642.19
  6. Step 6: Final answer
    x = 3,799.39

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Half scale
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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.