Home / 4,830.40-7,245.60-2,643.44

Finding the Fourth Proportional to 4,830.40, 7,245.60 and 2,643.44

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Solution

The fourth proportional to 4,830.40, 7,245.60 and 2,643.44 is: 3,965.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.40 : 7,245.60 = 2,643.44 : x
  2. Step 2: Convert to fraction form
    4,830.40/7,245.60 = 2,643.44/x
  3. Step 3: Cross multiply
    4,830.40x = 7,245.60 × 2,643.44
  4. Step 4: Simplify right side
    4,830.40x = 19,153,308.86
  5. Step 5: Solve for x
    x = 19,153,308.86/4,830.40
  6. Step 6: Final answer
    x = 3,965.16

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Similar ratio
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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.