Home / 9,135.42-12,607.11-5,600.58

Finding the Fourth Proportional to 9,135.42, 12,607.11 and 5,600.58

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Solution

The fourth proportional to 9,135.42, 12,607.11 and 5,600.58 is: 7,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.42 : 12,607.11 = 5,600.58 : x
  2. Step 2: Convert to fraction form
    9,135.42/12,607.11 = 5,600.58/x
  3. Step 3: Cross multiply
    9,135.42x = 12,607.11 × 5,600.58
  4. Step 4: Simplify right side
    9,135.42x = 70,607,128.12
  5. Step 5: Solve for x
    x = 70,607,128.12/9,135.42
  6. Step 6: Final answer
    x = 7,728.94

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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.