Home / 6,422.48-9,626.38-2,915.16

Finding the Fourth Proportional to 6,422.48, 9,626.38 and 2,915.16

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Solution

The fourth proportional to 6,422.48, 9,626.38 and 2,915.16 is: 4,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.48 : 9,626.38 = 2,915.16 : x
  2. Step 2: Convert to fraction form
    6,422.48/9,626.38 = 2,915.16/x
  3. Step 3: Cross multiply
    6,422.48x = 9,626.38 × 2,915.16
  4. Step 4: Simplify right side
    6,422.48x = 28,062,437.92
  5. Step 5: Solve for x
    x = 28,062,437.92/6,422.48
  6. Step 6: Final answer
    x = 4,369.41

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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.