Home / 4,309.47-6,460.10-1,385.73

Finding the Fourth Proportional to 4,309.47, 6,460.10 and 1,385.73

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Solution

The fourth proportional to 4,309.47, 6,460.10 and 1,385.73 is: 2,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.47 : 6,460.10 = 1,385.73 : x
  2. Step 2: Convert to fraction form
    4,309.47/6,460.10 = 1,385.73/x
  3. Step 3: Cross multiply
    4,309.47x = 6,460.10 × 1,385.73
  4. Step 4: Simplify right side
    4,309.47x = 8,951,954.37
  5. Step 5: Solve for x
    x = 8,951,954.37/4,309.47
  6. Step 6: Final answer
    x = 2,077.28

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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.