Home / 4,405.12-6,077.28-3,005.44

Finding the Fourth Proportional to 4,405.12, 6,077.28 and 3,005.44

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Solution

The fourth proportional to 4,405.12, 6,077.28 and 3,005.44 is: 4,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.12 : 6,077.28 = 3,005.44 : x
  2. Step 2: Convert to fraction form
    4,405.12/6,077.28 = 3,005.44/x
  3. Step 3: Cross multiply
    4,405.12x = 6,077.28 × 3,005.44
  4. Step 4: Simplify right side
    4,405.12x = 18,264,900.40
  5. Step 5: Solve for x
    x = 18,264,900.40/4,405.12
  6. Step 6: Final answer
    x = 4,146.29

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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.