Home / 4,712.60-7,068.90-1,425.52

Finding the Fourth Proportional to 4,712.60, 7,068.90 and 1,425.52

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Solution

The fourth proportional to 4,712.60, 7,068.90 and 1,425.52 is: 2,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.60 : 7,068.90 = 1,425.52 : x
  2. Step 2: Convert to fraction form
    4,712.60/7,068.90 = 1,425.52/x
  3. Step 3: Cross multiply
    4,712.60x = 7,068.90 × 1,425.52
  4. Step 4: Simplify right side
    4,712.60x = 10,076,858.33
  5. Step 5: Solve for x
    x = 10,076,858.33/4,712.60
  6. Step 6: Final answer
    x = 2,138.28

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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.