Home / 7,182.70-9,912.60-4,788.52

Finding the Fourth Proportional to 7,182.70, 9,912.60 and 4,788.52

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Solution

The fourth proportional to 7,182.70, 9,912.60 and 4,788.52 is: 6,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.70 : 9,912.60 = 4,788.52 : x
  2. Step 2: Convert to fraction form
    7,182.70/9,912.60 = 4,788.52/x
  3. Step 3: Cross multiply
    7,182.70x = 9,912.60 × 4,788.52
  4. Step 4: Simplify right side
    7,182.70x = 47,466,683.35
  5. Step 5: Solve for x
    x = 47,466,683.35/7,182.70
  6. Step 6: Final answer
    x = 6,608.47

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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.