Home / 4,386.24-6,581.44-2,195.20

Finding the Fourth Proportional to 4,386.24, 6,581.44 and 2,195.20

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Solution

The fourth proportional to 4,386.24, 6,581.44 and 2,195.20 is: 3,293.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.24 : 6,581.44 = 2,195.20 : x
  2. Step 2: Convert to fraction form
    4,386.24/6,581.44 = 2,195.20/x
  3. Step 3: Cross multiply
    4,386.24x = 6,581.44 × 2,195.20
  4. Step 4: Simplify right side
    4,386.24x = 14,447,577.09
  5. Step 5: Solve for x
    x = 14,447,577.09/4,386.24
  6. Step 6: Final answer
    x = 3,293.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.