Home / 7,184.04-10,774.83-1,988.70

Finding the Fourth Proportional to 7,184.04, 10,774.83 and 1,988.70

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Solution

The fourth proportional to 7,184.04, 10,774.83 and 1,988.70 is: 2,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.04 : 10,774.83 = 1,988.70 : x
  2. Step 2: Convert to fraction form
    7,184.04/10,774.83 = 1,988.70/x
  3. Step 3: Cross multiply
    7,184.04x = 10,774.83 × 1,988.70
  4. Step 4: Simplify right side
    7,184.04x = 21,427,904.42
  5. Step 5: Solve for x
    x = 21,427,904.42/7,184.04
  6. Step 6: Final answer
    x = 2,982.71

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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.