Home / 9,855.54-14,785.47-2,930.58

Finding the Fourth Proportional to 9,855.54, 14,785.47 and 2,930.58

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Solution

The fourth proportional to 9,855.54, 14,785.47 and 2,930.58 is: 4,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.54 : 14,785.47 = 2,930.58 : x
  2. Step 2: Convert to fraction form
    9,855.54/14,785.47 = 2,930.58/x
  3. Step 3: Cross multiply
    9,855.54x = 14,785.47 × 2,930.58
  4. Step 4: Simplify right side
    9,855.54x = 43,330,002.67
  5. Step 5: Solve for x
    x = 43,330,002.67/9,855.54
  6. Step 6: Final answer
    x = 4,396.51

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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.