Home / 6,690.89-9,230.52-4,702.75

Finding the Fourth Proportional to 6,690.89, 9,230.52 and 4,702.75

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Solution

The fourth proportional to 6,690.89, 9,230.52 and 4,702.75 is: 6,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.89 : 9,230.52 = 4,702.75 : x
  2. Step 2: Convert to fraction form
    6,690.89/9,230.52 = 4,702.75/x
  3. Step 3: Cross multiply
    6,690.89x = 9,230.52 × 4,702.75
  4. Step 4: Simplify right side
    6,690.89x = 43,408,827.93
  5. Step 5: Solve for x
    x = 43,408,827.93/6,690.89
  6. Step 6: Final answer
    x = 6,487.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.