Home / 5,688.23-8,512.29-4,917.31

Finding the Fourth Proportional to 5,688.23, 8,512.29 and 4,917.31

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Solution

The fourth proportional to 5,688.23, 8,512.29 and 4,917.31 is: 7,358.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.23 : 8,512.29 = 4,917.31 : x
  2. Step 2: Convert to fraction form
    5,688.23/8,512.29 = 4,917.31/x
  3. Step 3: Cross multiply
    5,688.23x = 8,512.29 × 4,917.31
  4. Step 4: Simplify right side
    5,688.23x = 41,857,547.46
  5. Step 5: Solve for x
    x = 41,857,547.46/5,688.23
  6. Step 6: Final answer
    x = 7,358.63

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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.