Home / 7,523.40-10,381.45-4,165.75

Finding the Fourth Proportional to 7,523.40, 10,381.45 and 4,165.75

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Solution

The fourth proportional to 7,523.40, 10,381.45 and 4,165.75 is: 5,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,523.40 : 10,381.45 = 4,165.75 : x
  2. Step 2: Convert to fraction form
    7,523.40/10,381.45 = 4,165.75/x
  3. Step 3: Cross multiply
    7,523.40x = 10,381.45 × 4,165.75
  4. Step 4: Simplify right side
    7,523.40x = 43,246,525.34
  5. Step 5: Solve for x
    x = 43,246,525.34/7,523.40
  6. Step 6: Final answer
    x = 5,748.27

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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.