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Finding the Fourth Proportional to 6,345.94, 8,754.71 and 4,250.74

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Solution

The fourth proportional to 6,345.94, 8,754.71 and 4,250.74 is: 5,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.94 : 8,754.71 = 4,250.74 : x
  2. Step 2: Convert to fraction form
    6,345.94/8,754.71 = 4,250.74/x
  3. Step 3: Cross multiply
    6,345.94x = 8,754.71 × 4,250.74
  4. Step 4: Simplify right side
    6,345.94x = 37,213,995.99
  5. Step 5: Solve for x
    x = 37,213,995.99/6,345.94
  6. Step 6: Final answer
    x = 5,864.22

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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.