Home / 5,188.60-7,802.10-4,343.80

Finding the Fourth Proportional to 5,188.60, 7,802.10 and 4,343.80

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Solution

The fourth proportional to 5,188.60, 7,802.10 and 4,343.80 is: 6,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.60 : 7,802.10 = 4,343.80 : x
  2. Step 2: Convert to fraction form
    5,188.60/7,802.10 = 4,343.80/x
  3. Step 3: Cross multiply
    5,188.60x = 7,802.10 × 4,343.80
  4. Step 4: Simplify right side
    5,188.60x = 33,890,761.98
  5. Step 5: Solve for x
    x = 33,890,761.98/5,188.60
  6. Step 6: Final answer
    x = 6,531.77

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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.