Home / 5,378.58-8,066.43-1,483.20

Finding the Fourth Proportional to 5,378.58, 8,066.43 and 1,483.20

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Solution

The fourth proportional to 5,378.58, 8,066.43 and 1,483.20 is: 2,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.58 : 8,066.43 = 1,483.20 : x
  2. Step 2: Convert to fraction form
    5,378.58/8,066.43 = 1,483.20/x
  3. Step 3: Cross multiply
    5,378.58x = 8,066.43 × 1,483.20
  4. Step 4: Simplify right side
    5,378.58x = 11,964,128.98
  5. Step 5: Solve for x
    x = 11,964,128.98/5,378.58
  6. Step 6: Final answer
    x = 2,224.40

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Double scale
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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.