Home / 4,381.20-6,566.36-3,856.32

Finding the Fourth Proportional to 4,381.20, 6,566.36 and 3,856.32

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Solution

The fourth proportional to 4,381.20, 6,566.36 and 3,856.32 is: 5,779.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.20 : 6,566.36 = 3,856.32 : x
  2. Step 2: Convert to fraction form
    4,381.20/6,566.36 = 3,856.32/x
  3. Step 3: Cross multiply
    4,381.20x = 6,566.36 × 3,856.32
  4. Step 4: Simplify right side
    4,381.20x = 25,321,985.40
  5. Step 5: Solve for x
    x = 25,321,985.40/4,381.20
  6. Step 6: Final answer
    x = 5,779.69

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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.