Home / 5,200.59-7,792.69-1,909.16

Finding the Fourth Proportional to 5,200.59, 7,792.69 and 1,909.16

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Solution

The fourth proportional to 5,200.59, 7,792.69 and 1,909.16 is: 2,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.59 : 7,792.69 = 1,909.16 : x
  2. Step 2: Convert to fraction form
    5,200.59/7,792.69 = 1,909.16/x
  3. Step 3: Cross multiply
    5,200.59x = 7,792.69 × 1,909.16
  4. Step 4: Simplify right side
    5,200.59x = 14,877,492.04
  5. Step 5: Solve for x
    x = 14,877,492.04/5,200.59
  6. Step 6: Final answer
    x = 2,860.73

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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.