Home / 6,470.89-9,703.94-2,309.78

Finding the Fourth Proportional to 6,470.89, 9,703.94 and 2,309.78

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Solution

The fourth proportional to 6,470.89, 9,703.94 and 2,309.78 is: 3,463.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.89 : 9,703.94 = 2,309.78 : x
  2. Step 2: Convert to fraction form
    6,470.89/9,703.94 = 2,309.78/x
  3. Step 3: Cross multiply
    6,470.89x = 9,703.94 × 2,309.78
  4. Step 4: Simplify right side
    6,470.89x = 22,413,966.53
  5. Step 5: Solve for x
    x = 22,413,966.53/6,470.89
  6. Step 6: Final answer
    x = 3,463.82

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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.