Home / 6,820.89-10,230.64-2,140.93

Finding the Fourth Proportional to 6,820.89, 10,230.64 and 2,140.93

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Solution

The fourth proportional to 6,820.89, 10,230.64 and 2,140.93 is: 3,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.89 : 10,230.64 = 2,140.93 : x
  2. Step 2: Convert to fraction form
    6,820.89/10,230.64 = 2,140.93/x
  3. Step 3: Cross multiply
    6,820.89x = 10,230.64 × 2,140.93
  4. Step 4: Simplify right side
    6,820.89x = 21,903,104.32
  5. Step 5: Solve for x
    x = 21,903,104.32/6,820.89
  6. Step 6: Final answer
    x = 3,211.18

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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.