Home / 4,102.51-5,664.18-3,156.63

Finding the Fourth Proportional to 4,102.51, 5,664.18 and 3,156.63

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Solution

The fourth proportional to 4,102.51, 5,664.18 and 3,156.63 is: 4,358.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.51 : 5,664.18 = 3,156.63 : x
  2. Step 2: Convert to fraction form
    4,102.51/5,664.18 = 3,156.63/x
  3. Step 3: Cross multiply
    4,102.51x = 5,664.18 × 3,156.63
  4. Step 4: Simplify right side
    4,102.51x = 17,879,720.51
  5. Step 5: Solve for x
    x = 17,879,720.51/4,102.51
  6. Step 6: Final answer
    x = 4,358.24

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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.