Home / 4,405.08-6,615.85-3,878.18

Finding the Fourth Proportional to 4,405.08, 6,615.85 and 3,878.18

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Solution

The fourth proportional to 4,405.08, 6,615.85 and 3,878.18 is: 5,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.08 : 6,615.85 = 3,878.18 : x
  2. Step 2: Convert to fraction form
    4,405.08/6,615.85 = 3,878.18/x
  3. Step 3: Cross multiply
    4,405.08x = 6,615.85 × 3,878.18
  4. Step 4: Simplify right side
    4,405.08x = 25,657,424.07
  5. Step 5: Solve for x
    x = 25,657,424.07/4,405.08
  6. Step 6: Final answer
    x = 5,824.51

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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.