Home / 4,285.47-5,913-2,712.66

Finding the Fourth Proportional to 4,285.47, 5,913 and 2,712.66

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Solution

The fourth proportional to 4,285.47, 5,913 and 2,712.66 is: 3,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.47 : 5,913 = 2,712.66 : x
  2. Step 2: Convert to fraction form
    4,285.47/5,913 = 2,712.66/x
  3. Step 3: Cross multiply
    4,285.47x = 5,913 × 2,712.66
  4. Step 4: Simplify right side
    4,285.47x = 16,039,936.41
  5. Step 5: Solve for x
    x = 16,039,936.41/4,285.47
  6. Step 6: Final answer
    x = 3,742.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.