Home / 4,838.67-6,678.45-3,157.11

Finding the Fourth Proportional to 4,838.67, 6,678.45 and 3,157.11

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Solution

The fourth proportional to 4,838.67, 6,678.45 and 3,157.11 is: 4,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.67 : 6,678.45 = 3,157.11 : x
  2. Step 2: Convert to fraction form
    4,838.67/6,678.45 = 3,157.11/x
  3. Step 3: Cross multiply
    4,838.67x = 6,678.45 × 3,157.11
  4. Step 4: Simplify right side
    4,838.67x = 21,084,601.28
  5. Step 5: Solve for x
    x = 21,084,601.28/4,838.67
  6. Step 6: Final answer
    x = 4,357.52

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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.