Home / 4,343.51-6,515.32-2,872.15

Finding the Fourth Proportional to 4,343.51, 6,515.32 and 2,872.15

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Solution

The fourth proportional to 4,343.51, 6,515.32 and 2,872.15 is: 4,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.51 : 6,515.32 = 2,872.15 : x
  2. Step 2: Convert to fraction form
    4,343.51/6,515.32 = 2,872.15/x
  3. Step 3: Cross multiply
    4,343.51x = 6,515.32 × 2,872.15
  4. Step 4: Simplify right side
    4,343.51x = 18,712,976.34
  5. Step 5: Solve for x
    x = 18,712,976.34/4,343.51
  6. Step 6: Final answer
    x = 4,308.26

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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.