Home / 4,953.20-6,840.04-3,187.88

Finding the Fourth Proportional to 4,953.20, 6,840.04 and 3,187.88

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Solution

The fourth proportional to 4,953.20, 6,840.04 and 3,187.88 is: 4,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.20 : 6,840.04 = 3,187.88 : x
  2. Step 2: Convert to fraction form
    4,953.20/6,840.04 = 3,187.88/x
  3. Step 3: Cross multiply
    4,953.20x = 6,840.04 × 3,187.88
  4. Step 4: Simplify right side
    4,953.20x = 21,805,226.72
  5. Step 5: Solve for x
    x = 21,805,226.72/4,953.20
  6. Step 6: Final answer
    x = 4,402.25

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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.