Home / 4,574.78-6,313.19-2,478.91

Finding the Fourth Proportional to 4,574.78, 6,313.19 and 2,478.91

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Solution

The fourth proportional to 4,574.78, 6,313.19 and 2,478.91 is: 3,420.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.78 : 6,313.19 = 2,478.91 : x
  2. Step 2: Convert to fraction form
    4,574.78/6,313.19 = 2,478.91/x
  3. Step 3: Cross multiply
    4,574.78x = 6,313.19 × 2,478.91
  4. Step 4: Simplify right side
    4,574.78x = 15,649,801.65
  5. Step 5: Solve for x
    x = 15,649,801.65/4,574.78
  6. Step 6: Final answer
    x = 3,420.88

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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.