Home / 4,613.44-6,915.84-1,690.24

Finding the Fourth Proportional to 4,613.44, 6,915.84 and 1,690.24

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Solution

The fourth proportional to 4,613.44, 6,915.84 and 1,690.24 is: 2,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.44 : 6,915.84 = 1,690.24 : x
  2. Step 2: Convert to fraction form
    4,613.44/6,915.84 = 1,690.24/x
  3. Step 3: Cross multiply
    4,613.44x = 6,915.84 × 1,690.24
  4. Step 4: Simplify right side
    4,613.44x = 11,689,429.40
  5. Step 5: Solve for x
    x = 11,689,429.40/4,613.44
  6. Step 6: Final answer
    x = 2,533.78

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1.5x scale

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.