Home / 4,278.48-5,904.64-2,415.52

Finding the Fourth Proportional to 4,278.48, 5,904.64 and 2,415.52

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Solution

The fourth proportional to 4,278.48, 5,904.64 and 2,415.52 is: 3,333.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.48 : 5,904.64 = 2,415.52 : x
  2. Step 2: Convert to fraction form
    4,278.48/5,904.64 = 2,415.52/x
  3. Step 3: Cross multiply
    4,278.48x = 5,904.64 × 2,415.52
  4. Step 4: Simplify right side
    4,278.48x = 14,262,776.01
  5. Step 5: Solve for x
    x = 14,262,776.01/4,278.48
  6. Step 6: Final answer
    x = 3,333.61

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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.