Home / 7,039.72-10,558.62-1,845.16

Finding the Fourth Proportional to 7,039.72, 10,558.62 and 1,845.16

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Solution

The fourth proportional to 7,039.72, 10,558.62 and 1,845.16 is: 2,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.72 : 10,558.62 = 1,845.16 : x
  2. Step 2: Convert to fraction form
    7,039.72/10,558.62 = 1,845.16/x
  3. Step 3: Cross multiply
    7,039.72x = 10,558.62 × 1,845.16
  4. Step 4: Simplify right side
    7,039.72x = 19,482,343.28
  5. Step 5: Solve for x
    x = 19,482,343.28/7,039.72
  6. Step 6: Final answer
    x = 2,767.49

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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.