Home / 6,313.92-8,707.68-4,542.72

Finding the Fourth Proportional to 6,313.92, 8,707.68 and 4,542.72

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Solution

The fourth proportional to 6,313.92, 8,707.68 and 4,542.72 is: 6,264.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313.92 : 8,707.68 = 4,542.72 : x
  2. Step 2: Convert to fraction form
    6,313.92/8,707.68 = 4,542.72/x
  3. Step 3: Cross multiply
    6,313.92x = 8,707.68 × 4,542.72
  4. Step 4: Simplify right side
    6,313.92x = 39,556,552.09
  5. Step 5: Solve for x
    x = 39,556,552.09/6,313.92
  6. Step 6: Final answer
    x = 6,264.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.