Home / 4,868.90-7,302.81-1,406.15

Finding the Fourth Proportional to 4,868.90, 7,302.81 and 1,406.15

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Solution

The fourth proportional to 4,868.90, 7,302.81 and 1,406.15 is: 2,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.90 : 7,302.81 = 1,406.15 : x
  2. Step 2: Convert to fraction form
    4,868.90/7,302.81 = 1,406.15/x
  3. Step 3: Cross multiply
    4,868.90x = 7,302.81 × 1,406.15
  4. Step 4: Simplify right side
    4,868.90x = 10,268,846.28
  5. Step 5: Solve for x
    x = 10,268,846.28/4,868.90
  6. Step 6: Final answer
    x = 2,109.07

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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.