Home / 7,211.53-10,818.40-3,051.56

Finding the Fourth Proportional to 7,211.53, 10,818.40 and 3,051.56

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Solution

The fourth proportional to 7,211.53, 10,818.40 and 3,051.56 is: 4,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.53 : 10,818.40 = 3,051.56 : x
  2. Step 2: Convert to fraction form
    7,211.53/10,818.40 = 3,051.56/x
  3. Step 3: Cross multiply
    7,211.53x = 10,818.40 × 3,051.56
  4. Step 4: Simplify right side
    7,211.53x = 33,012,959.95
  5. Step 5: Solve for x
    x = 33,012,959.95/7,211.53
  6. Step 6: Final answer
    x = 4,577.81

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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.