Home / 4,687.31-7,030.79-1,177.34

Finding the Fourth Proportional to 4,687.31, 7,030.79 and 1,177.34

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Solution

The fourth proportional to 4,687.31, 7,030.79 and 1,177.34 is: 1,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.31 : 7,030.79 = 1,177.34 : x
  2. Step 2: Convert to fraction form
    4,687.31/7,030.79 = 1,177.34/x
  3. Step 3: Cross multiply
    4,687.31x = 7,030.79 × 1,177.34
  4. Step 4: Simplify right side
    4,687.31x = 8,277,630.30
  5. Step 5: Solve for x
    x = 8,277,630.30/4,687.31
  6. Step 6: Final answer
    x = 1,765.97

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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.