Home / 5,188.07-7,159.64-2,830.43

Finding the Fourth Proportional to 5,188.07, 7,159.64 and 2,830.43

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Solution

The fourth proportional to 5,188.07, 7,159.64 and 2,830.43 is: 3,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.07 : 7,159.64 = 2,830.43 : x
  2. Step 2: Convert to fraction form
    5,188.07/7,159.64 = 2,830.43/x
  3. Step 3: Cross multiply
    5,188.07x = 7,159.64 × 2,830.43
  4. Step 4: Simplify right side
    5,188.07x = 20,264,809.89
  5. Step 5: Solve for x
    x = 20,264,809.89/5,188.07
  6. Step 6: Final answer
    x = 3,906.04

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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.