Home / 4,693.08-7,038.39-1,405.29

Finding the Fourth Proportional to 4,693.08, 7,038.39 and 1,405.29

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Solution

The fourth proportional to 4,693.08, 7,038.39 and 1,405.29 is: 2,107.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,693.08 : 7,038.39 = 1,405.29 : x
  2. Step 2: Convert to fraction form
    4,693.08/7,038.39 = 1,405.29/x
  3. Step 3: Cross multiply
    4,693.08x = 7,038.39 × 1,405.29
  4. Step 4: Simplify right side
    4,693.08x = 9,890,979.08
  5. Step 5: Solve for x
    x = 9,890,979.08/4,693.08
  6. Step 6: Final answer
    x = 2,107.57

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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.