Home / 9,785.39-14,678.88-2,765.46

Finding the Fourth Proportional to 9,785.39, 14,678.88 and 2,765.46

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Solution

The fourth proportional to 9,785.39, 14,678.88 and 2,765.46 is: 4,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.39 : 14,678.88 = 2,765.46 : x
  2. Step 2: Convert to fraction form
    9,785.39/14,678.88 = 2,765.46/x
  3. Step 3: Cross multiply
    9,785.39x = 14,678.88 × 2,765.46
  4. Step 4: Simplify right side
    9,785.39x = 40,593,915.72
  5. Step 5: Solve for x
    x = 40,593,915.72/9,785.39
  6. Step 6: Final answer
    x = 4,148.42

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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.