Home / 5,205.08-7,808.40-1,693.94

Finding the Fourth Proportional to 5,205.08, 7,808.40 and 1,693.94

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Solution

The fourth proportional to 5,205.08, 7,808.40 and 1,693.94 is: 2,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.08 : 7,808.40 = 1,693.94 : x
  2. Step 2: Convert to fraction form
    5,205.08/7,808.40 = 1,693.94/x
  3. Step 3: Cross multiply
    5,205.08x = 7,808.40 × 1,693.94
  4. Step 4: Simplify right side
    5,205.08x = 13,226,961.10
  5. Step 5: Solve for x
    x = 13,226,961.10/5,205.08
  6. Step 6: Final answer
    x = 2,541.16

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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.