Home / 4,645.41-6,970.16-2,180.02

Finding the Fourth Proportional to 4,645.41, 6,970.16 and 2,180.02

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Solution

The fourth proportional to 4,645.41, 6,970.16 and 2,180.02 is: 3,270.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.41 : 6,970.16 = 2,180.02 : x
  2. Step 2: Convert to fraction form
    4,645.41/6,970.16 = 2,180.02/x
  3. Step 3: Cross multiply
    4,645.41x = 6,970.16 × 2,180.02
  4. Step 4: Simplify right side
    4,645.41x = 15,195,088.20
  5. Step 5: Solve for x
    x = 15,195,088.20/4,645.41
  6. Step 6: Final answer
    x = 3,270.99

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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.