Home / 4,752.51-7,128.89-2,253.11

Finding the Fourth Proportional to 4,752.51, 7,128.89 and 2,253.11

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Solution

The fourth proportional to 4,752.51, 7,128.89 and 2,253.11 is: 3,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.51 : 7,128.89 = 2,253.11 : x
  2. Step 2: Convert to fraction form
    4,752.51/7,128.89 = 2,253.11/x
  3. Step 3: Cross multiply
    4,752.51x = 7,128.89 × 2,253.11
  4. Step 4: Simplify right side
    4,752.51x = 16,062,173.35
  5. Step 5: Solve for x
    x = 16,062,173.35/4,752.51
  6. Step 6: Final answer
    x = 3,379.72

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1.5x scale

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.