Home / 4,625.74-6,939.63-2,159.21

Finding the Fourth Proportional to 4,625.74, 6,939.63 and 2,159.21

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Solution

The fourth proportional to 4,625.74, 6,939.63 and 2,159.21 is: 3,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,625.74 : 6,939.63 = 2,159.21 : x
  2. Step 2: Convert to fraction form
    4,625.74/6,939.63 = 2,159.21/x
  3. Step 3: Cross multiply
    4,625.74x = 6,939.63 × 2,159.21
  4. Step 4: Simplify right side
    4,625.74x = 14,984,095.75
  5. Step 5: Solve for x
    x = 14,984,095.75/4,625.74
  6. Step 6: Final answer
    x = 3,239.29

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1.5x scale

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.