Home / 4,470.42-6,701.28-2,129.80

Finding the Fourth Proportional to 4,470.42, 6,701.28 and 2,129.80

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Solution

The fourth proportional to 4,470.42, 6,701.28 and 2,129.80 is: 3,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,470.42 : 6,701.28 = 2,129.80 : x
  2. Step 2: Convert to fraction form
    4,470.42/6,701.28 = 2,129.80/x
  3. Step 3: Cross multiply
    4,470.42x = 6,701.28 × 2,129.80
  4. Step 4: Simplify right side
    4,470.42x = 14,272,386.14
  5. Step 5: Solve for x
    x = 14,272,386.14/4,470.42
  6. Step 6: Final answer
    x = 3,192.63

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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.