Home / 4,551.23-6,280.62-2,561.78

Finding the Fourth Proportional to 4,551.23, 6,280.62 and 2,561.78

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Solution

The fourth proportional to 4,551.23, 6,280.62 and 2,561.78 is: 3,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.23 : 6,280.62 = 2,561.78 : x
  2. Step 2: Convert to fraction form
    4,551.23/6,280.62 = 2,561.78/x
  3. Step 3: Cross multiply
    4,551.23x = 6,280.62 × 2,561.78
  4. Step 4: Simplify right side
    4,551.23x = 16,089,535.30
  5. Step 5: Solve for x
    x = 16,089,535.30/4,551.23
  6. Step 6: Final answer
    x = 3,535.21

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Half scale
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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.