Home / 4,627.17-6,381.63-2,859.21

Finding the Fourth Proportional to 4,627.17, 6,381.63 and 2,859.21

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Solution

The fourth proportional to 4,627.17, 6,381.63 and 2,859.21 is: 3,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.17 : 6,381.63 = 2,859.21 : x
  2. Step 2: Convert to fraction form
    4,627.17/6,381.63 = 2,859.21/x
  3. Step 3: Cross multiply
    4,627.17x = 6,381.63 × 2,859.21
  4. Step 4: Simplify right side
    4,627.17x = 18,246,420.31
  5. Step 5: Solve for x
    x = 18,246,420.31/4,627.17
  6. Step 6: Final answer
    x = 3,943.32

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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.