Home / 5,328.98-7,994.56-1,818.70

Finding the Fourth Proportional to 5,328.98, 7,994.56 and 1,818.70

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Solution

The fourth proportional to 5,328.98, 7,994.56 and 1,818.70 is: 2,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.98 : 7,994.56 = 1,818.70 : x
  2. Step 2: Convert to fraction form
    5,328.98/7,994.56 = 1,818.70/x
  3. Step 3: Cross multiply
    5,328.98x = 7,994.56 × 1,818.70
  4. Step 4: Simplify right side
    5,328.98x = 14,539,706.27
  5. Step 5: Solve for x
    x = 14,539,706.27/5,328.98
  6. Step 6: Final answer
    x = 2,728.42

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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.