Home / 9,135.78-12,607.44-4,944.03

Finding the Fourth Proportional to 9,135.78, 12,607.44 and 4,944.03

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Solution

The fourth proportional to 9,135.78, 12,607.44 and 4,944.03 is: 6,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.78 : 12,607.44 = 4,944.03 : x
  2. Step 2: Convert to fraction form
    9,135.78/12,607.44 = 4,944.03/x
  3. Step 3: Cross multiply
    9,135.78x = 12,607.44 × 4,944.03
  4. Step 4: Simplify right side
    9,135.78x = 62,331,561.58
  5. Step 5: Solve for x
    x = 62,331,561.58/9,135.78
  6. Step 6: Final answer
    x = 6,822.80

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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.