Home / 6,342.29-8,752.14-3,509.61

Finding the Fourth Proportional to 6,342.29, 8,752.14 and 3,509.61

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Solution

The fourth proportional to 6,342.29, 8,752.14 and 3,509.61 is: 4,843.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.29 : 8,752.14 = 3,509.61 : x
  2. Step 2: Convert to fraction form
    6,342.29/8,752.14 = 3,509.61/x
  3. Step 3: Cross multiply
    6,342.29x = 8,752.14 × 3,509.61
  4. Step 4: Simplify right side
    6,342.29x = 30,716,598.07
  5. Step 5: Solve for x
    x = 30,716,598.07/6,342.29
  6. Step 6: Final answer
    x = 4,843.14

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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.