Home / 5,585.06-8,378.40-4,608.20

Finding the Fourth Proportional to 5,585.06, 8,378.40 and 4,608.20

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Solution

The fourth proportional to 5,585.06, 8,378.40 and 4,608.20 is: 6,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.06 : 8,378.40 = 4,608.20 : x
  2. Step 2: Convert to fraction form
    5,585.06/8,378.40 = 4,608.20/x
  3. Step 3: Cross multiply
    5,585.06x = 8,378.40 × 4,608.20
  4. Step 4: Simplify right side
    5,585.06x = 38,609,342.88
  5. Step 5: Solve for x
    x = 38,609,342.88/5,585.06
  6. Step 6: Final answer
    x = 6,912.97

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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.