Home / 7,155.42-10,729.38-2,994.66

Finding the Fourth Proportional to 7,155.42, 10,729.38 and 2,994.66

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Solution

The fourth proportional to 7,155.42, 10,729.38 and 2,994.66 is: 4,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.42 : 10,729.38 = 2,994.66 : x
  2. Step 2: Convert to fraction form
    7,155.42/10,729.38 = 2,994.66/x
  3. Step 3: Cross multiply
    7,155.42x = 10,729.38 × 2,994.66
  4. Step 4: Simplify right side
    7,155.42x = 32,130,845.11
  5. Step 5: Solve for x
    x = 32,130,845.11/7,155.42
  6. Step 6: Final answer
    x = 4,490.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.