Home / 9,039.72-13,554.78-4,880.64

Finding the Fourth Proportional to 9,039.72, 13,554.78 and 4,880.64

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Solution

The fourth proportional to 9,039.72, 13,554.78 and 4,880.64 is: 7,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.72 : 13,554.78 = 4,880.64 : x
  2. Step 2: Convert to fraction form
    9,039.72/13,554.78 = 4,880.64/x
  3. Step 3: Cross multiply
    9,039.72x = 13,554.78 × 4,880.64
  4. Step 4: Simplify right side
    9,039.72x = 66,156,001.46
  5. Step 5: Solve for x
    x = 66,156,001.46/9,039.72
  6. Step 6: Final answer
    x = 7,318.37

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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.