Home / 7,522.45-10,381.29-4,165.20

Finding the Fourth Proportional to 7,522.45, 10,381.29 and 4,165.20

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Solution

The fourth proportional to 7,522.45, 10,381.29 and 4,165.20 is: 5,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.45 : 10,381.29 = 4,165.20 : x
  2. Step 2: Convert to fraction form
    7,522.45/10,381.29 = 4,165.20/x
  3. Step 3: Cross multiply
    7,522.45x = 10,381.29 × 4,165.20
  4. Step 4: Simplify right side
    7,522.45x = 43,240,133.49
  5. Step 5: Solve for x
    x = 43,240,133.49/7,522.45
  6. Step 6: Final answer
    x = 5,748.15

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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.