Home / 6,521.41-9,783.33-2,140.12

Finding the Fourth Proportional to 6,521.41, 9,783.33 and 2,140.12

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Solution

The fourth proportional to 6,521.41, 9,783.33 and 2,140.12 is: 3,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.41 : 9,783.33 = 2,140.12 : x
  2. Step 2: Convert to fraction form
    6,521.41/9,783.33 = 2,140.12/x
  3. Step 3: Cross multiply
    6,521.41x = 9,783.33 × 2,140.12
  4. Step 4: Simplify right side
    6,521.41x = 20,937,440.58
  5. Step 5: Solve for x
    x = 20,937,440.58/6,521.41
  6. Step 6: Final answer
    x = 3,210.57

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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.