Home / 4,215.51-5,814.59-2,642.49

Finding the Fourth Proportional to 4,215.51, 5,814.59 and 2,642.49

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Solution

The fourth proportional to 4,215.51, 5,814.59 and 2,642.49 is: 3,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.51 : 5,814.59 = 2,642.49 : x
  2. Step 2: Convert to fraction form
    4,215.51/5,814.59 = 2,642.49/x
  3. Step 3: Cross multiply
    4,215.51x = 5,814.59 × 2,642.49
  4. Step 4: Simplify right side
    4,215.51x = 15,364,982.72
  5. Step 5: Solve for x
    x = 15,364,982.72/4,215.51
  6. Step 6: Final answer
    x = 3,644.87

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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.