Home / 5,319.94-7,988.04-2,859.55

Finding the Fourth Proportional to 5,319.94, 7,988.04 and 2,859.55

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Solution

The fourth proportional to 5,319.94, 7,988.04 and 2,859.55 is: 4,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.94 : 7,988.04 = 2,859.55 : x
  2. Step 2: Convert to fraction form
    5,319.94/7,988.04 = 2,859.55/x
  3. Step 3: Cross multiply
    5,319.94x = 7,988.04 × 2,859.55
  4. Step 4: Simplify right side
    5,319.94x = 22,842,199.78
  5. Step 5: Solve for x
    x = 22,842,199.78/5,319.94
  6. Step 6: Final answer
    x = 4,293.70

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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.