Home / 4,610.90-6,916.35-1,148.15

Finding the Fourth Proportional to 4,610.90, 6,916.35 and 1,148.15

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Solution

The fourth proportional to 4,610.90, 6,916.35 and 1,148.15 is: 1,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.90 : 6,916.35 = 1,148.15 : x
  2. Step 2: Convert to fraction form
    4,610.90/6,916.35 = 1,148.15/x
  3. Step 3: Cross multiply
    4,610.90x = 6,916.35 × 1,148.15
  4. Step 4: Simplify right side
    4,610.90x = 7,941,007.25
  5. Step 5: Solve for x
    x = 7,941,007.25/4,610.90
  6. Step 6: Final answer
    x = 1,722.23

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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.