Home / 5,415.18-7,473.39-4,305.28

Finding the Fourth Proportional to 5,415.18, 7,473.39 and 4,305.28

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Solution

The fourth proportional to 5,415.18, 7,473.39 and 4,305.28 is: 5,941.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.18 : 7,473.39 = 4,305.28 : x
  2. Step 2: Convert to fraction form
    5,415.18/7,473.39 = 4,305.28/x
  3. Step 3: Cross multiply
    5,415.18x = 7,473.39 × 4,305.28
  4. Step 4: Simplify right side
    5,415.18x = 32,175,014.97
  5. Step 5: Solve for x
    x = 32,175,014.97/5,415.18
  6. Step 6: Final answer
    x = 5,941.63

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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.