Home / 4,789.19-7,182.96-1,325.63

Finding the Fourth Proportional to 4,789.19, 7,182.96 and 1,325.63

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Solution

The fourth proportional to 4,789.19, 7,182.96 and 1,325.63 is: 1,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.19 : 7,182.96 = 1,325.63 : x
  2. Step 2: Convert to fraction form
    4,789.19/7,182.96 = 1,325.63/x
  3. Step 3: Cross multiply
    4,789.19x = 7,182.96 × 1,325.63
  4. Step 4: Simplify right side
    4,789.19x = 9,521,911.35
  5. Step 5: Solve for x
    x = 9,521,911.35/4,789.19
  6. Step 6: Final answer
    x = 1,988.21

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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.