Home / 7,534.42-10,381.57-5,408.17

Finding the Fourth Proportional to 7,534.42, 10,381.57 and 5,408.17

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Solution

The fourth proportional to 7,534.42, 10,381.57 and 5,408.17 is: 7,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.42 : 10,381.57 = 5,408.17 : x
  2. Step 2: Convert to fraction form
    7,534.42/10,381.57 = 5,408.17/x
  3. Step 3: Cross multiply
    7,534.42x = 10,381.57 × 5,408.17
  4. Step 4: Simplify right side
    7,534.42x = 56,145,255.95
  5. Step 5: Solve for x
    x = 56,145,255.95/7,534.42
  6. Step 6: Final answer
    x = 7,451.84

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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.