Home / 7,522.08-10,381.20-4,165.08

Finding the Fourth Proportional to 7,522.08, 10,381.20 and 4,165.08

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Solution

The fourth proportional to 7,522.08, 10,381.20 and 4,165.08 is: 5,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.08 : 10,381.20 = 4,165.08 : x
  2. Step 2: Convert to fraction form
    7,522.08/10,381.20 = 4,165.08/x
  3. Step 3: Cross multiply
    7,522.08x = 10,381.20 × 4,165.08
  4. Step 4: Simplify right side
    7,522.08x = 43,238,528.50
  5. Step 5: Solve for x
    x = 43,238,528.50/7,522.08
  6. Step 6: Final answer
    x = 5,748.21

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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.