Home / 7,219.05-10,820.35-3,056.46

Finding the Fourth Proportional to 7,219.05, 10,820.35 and 3,056.46

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Solution

The fourth proportional to 7,219.05, 10,820.35 and 3,056.46 is: 4,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.05 : 10,820.35 = 3,056.46 : x
  2. Step 2: Convert to fraction form
    7,219.05/10,820.35 = 3,056.46/x
  3. Step 3: Cross multiply
    7,219.05x = 10,820.35 × 3,056.46
  4. Step 4: Simplify right side
    7,219.05x = 33,071,930.21
  5. Step 5: Solve for x
    x = 33,071,930.21/7,219.05
  6. Step 6: Final answer
    x = 4,581.20

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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.