Home / 5,134.24-7,702.08-1,670.68

Finding the Fourth Proportional to 5,134.24, 7,702.08 and 1,670.68

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Solution

The fourth proportional to 5,134.24, 7,702.08 and 1,670.68 is: 2,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.24 : 7,702.08 = 1,670.68 : x
  2. Step 2: Convert to fraction form
    5,134.24/7,702.08 = 1,670.68/x
  3. Step 3: Cross multiply
    5,134.24x = 7,702.08 × 1,670.68
  4. Step 4: Simplify right side
    5,134.24x = 12,867,711.01
  5. Step 5: Solve for x
    x = 12,867,711.01/5,134.24
  6. Step 6: Final answer
    x = 2,506.25

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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.