Home / 5,116.12-7,672.14-1,828.60

Finding the Fourth Proportional to 5,116.12, 7,672.14 and 1,828.60

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Solution

The fourth proportional to 5,116.12, 7,672.14 and 1,828.60 is: 2,742.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.12 : 7,672.14 = 1,828.60 : x
  2. Step 2: Convert to fraction form
    5,116.12/7,672.14 = 1,828.60/x
  3. Step 3: Cross multiply
    5,116.12x = 7,672.14 × 1,828.60
  4. Step 4: Simplify right side
    5,116.12x = 14,029,275.20
  5. Step 5: Solve for x
    x = 14,029,275.20/5,116.12
  6. Step 6: Final answer
    x = 2,742.17

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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.