Home / 5,712.60-8,570.74-2,428.50

Finding the Fourth Proportional to 5,712.60, 8,570.74 and 2,428.50

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Solution

The fourth proportional to 5,712.60, 8,570.74 and 2,428.50 is: 3,643.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.60 : 8,570.74 = 2,428.50 : x
  2. Step 2: Convert to fraction form
    5,712.60/8,570.74 = 2,428.50/x
  3. Step 3: Cross multiply
    5,712.60x = 8,570.74 × 2,428.50
  4. Step 4: Simplify right side
    5,712.60x = 20,814,042.09
  5. Step 5: Solve for x
    x = 20,814,042.09/5,712.60
  6. Step 6: Final answer
    x = 3,643.53

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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.