Home / 6,240.16-8,611.72-3,445.84

Finding the Fourth Proportional to 6,240.16, 8,611.72 and 3,445.84

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Solution

The fourth proportional to 6,240.16, 8,611.72 and 3,445.84 is: 4,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.16 : 8,611.72 = 3,445.84 : x
  2. Step 2: Convert to fraction form
    6,240.16/8,611.72 = 3,445.84/x
  3. Step 3: Cross multiply
    6,240.16x = 8,611.72 × 3,445.84
  4. Step 4: Simplify right side
    6,240.16x = 29,674,609.24
  5. Step 5: Solve for x
    x = 29,674,609.24/6,240.16
  6. Step 6: Final answer
    x = 4,755.42

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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.