Home / 7,525.68-10,385.85-4,168.89

Finding the Fourth Proportional to 7,525.68, 10,385.85 and 4,168.89

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Solution

The fourth proportional to 7,525.68, 10,385.85 and 4,168.89 is: 5,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525.68 : 10,385.85 = 4,168.89 : x
  2. Step 2: Convert to fraction form
    7,525.68/10,385.85 = 4,168.89/x
  3. Step 3: Cross multiply
    7,525.68x = 10,385.85 × 4,168.89
  4. Step 4: Simplify right side
    7,525.68x = 43,297,466.21
  5. Step 5: Solve for x
    x = 43,297,466.21/7,525.68
  6. Step 6: Final answer
    x = 5,753.30

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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.