Home / 4,802.38-7,204.78-1,339.63

Finding the Fourth Proportional to 4,802.38, 7,204.78 and 1,339.63

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Solution

The fourth proportional to 4,802.38, 7,204.78 and 1,339.63 is: 2,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.38 : 7,204.78 = 1,339.63 : x
  2. Step 2: Convert to fraction form
    4,802.38/7,204.78 = 1,339.63/x
  3. Step 3: Cross multiply
    4,802.38x = 7,204.78 × 1,339.63
  4. Step 4: Simplify right side
    4,802.38x = 9,651,703.41
  5. Step 5: Solve for x
    x = 9,651,703.41/4,802.38
  6. Step 6: Final answer
    x = 2,009.78

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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.