Home / 5,712.68-8,570.30-2,428.58

Finding the Fourth Proportional to 5,712.68, 8,570.30 and 2,428.58

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Solution

The fourth proportional to 5,712.68, 8,570.30 and 2,428.58 is: 3,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.68 : 8,570.30 = 2,428.58 : x
  2. Step 2: Convert to fraction form
    5,712.68/8,570.30 = 2,428.58/x
  3. Step 3: Cross multiply
    5,712.68x = 8,570.30 × 2,428.58
  4. Step 4: Simplify right side
    5,712.68x = 20,813,659.17
  5. Step 5: Solve for x
    x = 20,813,659.17/5,712.68
  6. Step 6: Final answer
    x = 3,643.41

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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.