Home / 7,703.72-11,554.68-2,157.51

Finding the Fourth Proportional to 7,703.72, 11,554.68 and 2,157.51

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Solution

The fourth proportional to 7,703.72, 11,554.68 and 2,157.51 is: 3,236.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703.72 : 11,554.68 = 2,157.51 : x
  2. Step 2: Convert to fraction form
    7,703.72/11,554.68 = 2,157.51/x
  3. Step 3: Cross multiply
    7,703.72x = 11,554.68 × 2,157.51
  4. Step 4: Simplify right side
    7,703.72x = 24,929,279.87
  5. Step 5: Solve for x
    x = 24,929,279.87/7,703.72
  6. Step 6: Final answer
    x = 3,236.01

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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.