Home / 8,714.30-13,071.57-2,140.48

Finding the Fourth Proportional to 8,714.30, 13,071.57 and 2,140.48

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Solution

The fourth proportional to 8,714.30, 13,071.57 and 2,140.48 is: 3,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.30 : 13,071.57 = 2,140.48 : x
  2. Step 2: Convert to fraction form
    8,714.30/13,071.57 = 2,140.48/x
  3. Step 3: Cross multiply
    8,714.30x = 13,071.57 × 2,140.48
  4. Step 4: Simplify right side
    8,714.30x = 27,979,434.15
  5. Step 5: Solve for x
    x = 27,979,434.15/8,714.30
  6. Step 6: Final answer
    x = 3,210.75

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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.