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Finding the Fourth Proportional to 4,574.72, 6,313.11 and 2,478.84

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Solution

The fourth proportional to 4,574.72, 6,313.11 and 2,478.84 is: 3,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.72 : 6,313.11 = 2,478.84 : x
  2. Step 2: Convert to fraction form
    4,574.72/6,313.11 = 2,478.84/x
  3. Step 3: Cross multiply
    4,574.72x = 6,313.11 × 2,478.84
  4. Step 4: Simplify right side
    4,574.72x = 15,649,189.59
  5. Step 5: Solve for x
    x = 15,649,189.59/4,574.72
  6. Step 6: Final answer
    x = 3,420.80

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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.