Home / 4,925.72-6,798.40-3,158.04

Finding the Fourth Proportional to 4,925.72, 6,798.40 and 3,158.04

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Solution

The fourth proportional to 4,925.72, 6,798.40 and 3,158.04 is: 4,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925.72 : 6,798.40 = 3,158.04 : x
  2. Step 2: Convert to fraction form
    4,925.72/6,798.40 = 3,158.04/x
  3. Step 3: Cross multiply
    4,925.72x = 6,798.40 × 3,158.04
  4. Step 4: Simplify right side
    4,925.72x = 21,469,619.14
  5. Step 5: Solve for x
    x = 21,469,619.14/4,925.72
  6. Step 6: Final answer
    x = 4,358.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.