Home / 4,869.60-7,307.52-1,910.40

Finding the Fourth Proportional to 4,869.60, 7,307.52 and 1,910.40

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Solution

The fourth proportional to 4,869.60, 7,307.52 and 1,910.40 is: 2,866.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.60 : 7,307.52 = 1,910.40 : x
  2. Step 2: Convert to fraction form
    4,869.60/7,307.52 = 1,910.40/x
  3. Step 3: Cross multiply
    4,869.60x = 7,307.52 × 1,910.40
  4. Step 4: Simplify right side
    4,869.60x = 13,960,286.21
  5. Step 5: Solve for x
    x = 13,960,286.21/4,869.60
  6. Step 6: Final answer
    x = 2,866.82

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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.