Home / 4,342.51-6,515.43-2,261.21

Finding the Fourth Proportional to 4,342.51, 6,515.43 and 2,261.21

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Solution

The fourth proportional to 4,342.51, 6,515.43 and 2,261.21 is: 3,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.51 : 6,515.43 = 2,261.21 : x
  2. Step 2: Convert to fraction form
    4,342.51/6,515.43 = 2,261.21/x
  3. Step 3: Cross multiply
    4,342.51x = 6,515.43 × 2,261.21
  4. Step 4: Simplify right side
    4,342.51x = 14,732,755.47
  5. Step 5: Solve for x
    x = 14,732,755.47/4,342.51
  6. Step 6: Final answer
    x = 3,392.69

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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.