Home / 5,299.64-7,946.72-2,179.08

Finding the Fourth Proportional to 5,299.64, 7,946.72 and 2,179.08

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Solution

The fourth proportional to 5,299.64, 7,946.72 and 2,179.08 is: 3,267.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.64 : 7,946.72 = 2,179.08 : x
  2. Step 2: Convert to fraction form
    5,299.64/7,946.72 = 2,179.08/x
  3. Step 3: Cross multiply
    5,299.64x = 7,946.72 × 2,179.08
  4. Step 4: Simplify right side
    5,299.64x = 17,316,538.62
  5. Step 5: Solve for x
    x = 17,316,538.62/5,299.64
  6. Step 6: Final answer
    x = 3,267.49

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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.