Home / 5,077.13-7,616.34-1,957.05

Finding the Fourth Proportional to 5,077.13, 7,616.34 and 1,957.05

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Solution

The fourth proportional to 5,077.13, 7,616.34 and 1,957.05 is: 2,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.13 : 7,616.34 = 1,957.05 : x
  2. Step 2: Convert to fraction form
    5,077.13/7,616.34 = 1,957.05/x
  3. Step 3: Cross multiply
    5,077.13x = 7,616.34 × 1,957.05
  4. Step 4: Simplify right side
    5,077.13x = 14,905,548.41
  5. Step 5: Solve for x
    x = 14,905,548.41/5,077.13
  6. Step 6: Final answer
    x = 2,935.82

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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.