Home / 4,669.32-6,443.40-2,679.68

Finding the Fourth Proportional to 4,669.32, 6,443.40 and 2,679.68

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Solution

The fourth proportional to 4,669.32, 6,443.40 and 2,679.68 is: 3,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.32 : 6,443.40 = 2,679.68 : x
  2. Step 2: Convert to fraction form
    4,669.32/6,443.40 = 2,679.68/x
  3. Step 3: Cross multiply
    4,669.32x = 6,443.40 × 2,679.68
  4. Step 4: Simplify right side
    4,669.32x = 17,266,250.11
  5. Step 5: Solve for x
    x = 17,266,250.11/4,669.32
  6. Step 6: Final answer
    x = 3,697.81

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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.