Home / 9,785.10-14,678.45-3,122.54

Finding the Fourth Proportional to 9,785.10, 14,678.45 and 3,122.54

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Solution

The fourth proportional to 9,785.10, 14,678.45 and 3,122.54 is: 4,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.10 : 14,678.45 = 3,122.54 : x
  2. Step 2: Convert to fraction form
    9,785.10/14,678.45 = 3,122.54/x
  3. Step 3: Cross multiply
    9,785.10x = 14,678.45 × 3,122.54
  4. Step 4: Simplify right side
    9,785.10x = 45,834,047.26
  5. Step 5: Solve for x
    x = 45,834,047.26/9,785.10
  6. Step 6: Final answer
    x = 4,684.07

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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.