Home / 4,854.10-7,281.40-1,391.26

Finding the Fourth Proportional to 4,854.10, 7,281.40 and 1,391.26

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Solution

The fourth proportional to 4,854.10, 7,281.40 and 1,391.26 is: 2,086.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,854.10 : 7,281.40 = 1,391.26 : x
  2. Step 2: Convert to fraction form
    4,854.10/7,281.40 = 1,391.26/x
  3. Step 3: Cross multiply
    4,854.10x = 7,281.40 × 1,391.26
  4. Step 4: Simplify right side
    4,854.10x = 10,130,320.56
  5. Step 5: Solve for x
    x = 10,130,320.56/4,854.10
  6. Step 6: Final answer
    x = 2,086.96

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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.