Home / 5,106.44-7,646.70-3,152.72

Finding the Fourth Proportional to 5,106.44, 7,646.70 and 3,152.72

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Solution

The fourth proportional to 5,106.44, 7,646.70 and 3,152.72 is: 4,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.44 : 7,646.70 = 3,152.72 : x
  2. Step 2: Convert to fraction form
    5,106.44/7,646.70 = 3,152.72/x
  3. Step 3: Cross multiply
    5,106.44x = 7,646.70 × 3,152.72
  4. Step 4: Simplify right side
    5,106.44x = 24,107,904.02
  5. Step 5: Solve for x
    x = 24,107,904.02/5,106.44
  6. Step 6: Final answer
    x = 4,721.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.