Home / 9,830.25-14,747.81-2,904.75

Finding the Fourth Proportional to 9,830.25, 14,747.81 and 2,904.75

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Solution

The fourth proportional to 9,830.25, 14,747.81 and 2,904.75 is: 4,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,830.25 : 14,747.81 = 2,904.75 : x
  2. Step 2: Convert to fraction form
    9,830.25/14,747.81 = 2,904.75/x
  3. Step 3: Cross multiply
    9,830.25x = 14,747.81 × 2,904.75
  4. Step 4: Simplify right side
    9,830.25x = 42,838,686.57
  5. Step 5: Solve for x
    x = 42,838,686.57/9,830.25
  6. Step 6: Final answer
    x = 4,357.84

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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.