Home / 6,627.20-9,915.61-4,085.18

Finding the Fourth Proportional to 6,627.20, 9,915.61 and 4,085.18

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Solution

The fourth proportional to 6,627.20, 9,915.61 and 4,085.18 is: 6,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.20 : 9,915.61 = 4,085.18 : x
  2. Step 2: Convert to fraction form
    6,627.20/9,915.61 = 4,085.18/x
  3. Step 3: Cross multiply
    6,627.20x = 9,915.61 × 4,085.18
  4. Step 4: Simplify right side
    6,627.20x = 40,507,031.23
  5. Step 5: Solve for x
    x = 40,507,031.23/6,627.20
  6. Step 6: Final answer
    x = 6,112.24

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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.