Home / 9,156.32-13,735.60-2,916.64

Finding the Fourth Proportional to 9,156.32, 13,735.60 and 2,916.64

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Solution

The fourth proportional to 9,156.32, 13,735.60 and 2,916.64 is: 4,375.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.32 : 13,735.60 = 2,916.64 : x
  2. Step 2: Convert to fraction form
    9,156.32/13,735.60 = 2,916.64/x
  3. Step 3: Cross multiply
    9,156.32x = 13,735.60 × 2,916.64
  4. Step 4: Simplify right side
    9,156.32x = 40,061,800.38
  5. Step 5: Solve for x
    x = 40,061,800.38/9,156.32
  6. Step 6: Final answer
    x = 4,375.32

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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.