Home / 8,714.51-13,071.56-2,140.68

Finding the Fourth Proportional to 8,714.51, 13,071.56 and 2,140.68

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Solution

The fourth proportional to 8,714.51, 13,071.56 and 2,140.68 is: 3,210.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.51 : 13,071.56 = 2,140.68 : x
  2. Step 2: Convert to fraction form
    8,714.51/13,071.56 = 2,140.68/x
  3. Step 3: Cross multiply
    8,714.51x = 13,071.56 × 2,140.68
  4. Step 4: Simplify right side
    8,714.51x = 27,982,016.36
  5. Step 5: Solve for x
    x = 27,982,016.36/8,714.51
  6. Step 6: Final answer
    x = 3,210.97

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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.