Home / 5,079.60-7,016.54-3,898.64

Finding the Fourth Proportional to 5,079.60, 7,016.54 and 3,898.64

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Solution

The fourth proportional to 5,079.60, 7,016.54 and 3,898.64 is: 5,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.60 : 7,016.54 = 3,898.64 : x
  2. Step 2: Convert to fraction form
    5,079.60/7,016.54 = 3,898.64/x
  3. Step 3: Cross multiply
    5,079.60x = 7,016.54 × 3,898.64
  4. Step 4: Simplify right side
    5,079.60x = 27,354,963.51
  5. Step 5: Solve for x
    x = 27,354,963.51/5,079.60
  6. Step 6: Final answer
    x = 5,385.26

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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.