Home / 5,187.36-7,161.84-4,838.88

Finding the Fourth Proportional to 5,187.36, 7,161.84 and 4,838.88

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Solution

The fourth proportional to 5,187.36, 7,161.84 and 4,838.88 is: 6,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.36 : 7,161.84 = 4,838.88 : x
  2. Step 2: Convert to fraction form
    5,187.36/7,161.84 = 4,838.88/x
  3. Step 3: Cross multiply
    5,187.36x = 7,161.84 × 4,838.88
  4. Step 4: Simplify right side
    5,187.36x = 34,655,284.34
  5. Step 5: Solve for x
    x = 34,655,284.34/5,187.36
  6. Step 6: Final answer
    x = 6,680.72

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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.