Home / 5,439.04-8,154.24-1,974.40

Finding the Fourth Proportional to 5,439.04, 8,154.24 and 1,974.40

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Solution

The fourth proportional to 5,439.04, 8,154.24 and 1,974.40 is: 2,960.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.04 : 8,154.24 = 1,974.40 : x
  2. Step 2: Convert to fraction form
    5,439.04/8,154.24 = 1,974.40/x
  3. Step 3: Cross multiply
    5,439.04x = 8,154.24 × 1,974.40
  4. Step 4: Simplify right side
    5,439.04x = 16,099,731.46
  5. Step 5: Solve for x
    x = 16,099,731.46/5,439.04
  6. Step 6: Final answer
    x = 2,960.03

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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.