Home / 4,918.96-7,378.98-2,454.40

Finding the Fourth Proportional to 4,918.96, 7,378.98 and 2,454.40

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Solution

The fourth proportional to 4,918.96, 7,378.98 and 2,454.40 is: 3,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.96 : 7,378.98 = 2,454.40 : x
  2. Step 2: Convert to fraction form
    4,918.96/7,378.98 = 2,454.40/x
  3. Step 3: Cross multiply
    4,918.96x = 7,378.98 × 2,454.40
  4. Step 4: Simplify right side
    4,918.96x = 18,110,968.51
  5. Step 5: Solve for x
    x = 18,110,968.51/4,918.96
  6. Step 6: Final answer
    x = 3,681.87

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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.