Home / 7,155.35-10,731.08-2,994.50

Finding the Fourth Proportional to 7,155.35, 10,731.08 and 2,994.50

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Solution

The fourth proportional to 7,155.35, 10,731.08 and 2,994.50 is: 4,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.35 : 10,731.08 = 2,994.50 : x
  2. Step 2: Convert to fraction form
    7,155.35/10,731.08 = 2,994.50/x
  3. Step 3: Cross multiply
    7,155.35x = 10,731.08 × 2,994.50
  4. Step 4: Simplify right side
    7,155.35x = 32,134,219.06
  5. Step 5: Solve for x
    x = 32,134,219.06/7,155.35
  6. Step 6: Final answer
    x = 4,490.94

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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.