Home / 4,574.80-6,313.20-2,478.92

Finding the Fourth Proportional to 4,574.80, 6,313.20 and 2,478.92

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Solution

The fourth proportional to 4,574.80, 6,313.20 and 2,478.92 is: 3,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.80 : 6,313.20 = 2,478.92 : x
  2. Step 2: Convert to fraction form
    4,574.80/6,313.20 = 2,478.92/x
  3. Step 3: Cross multiply
    4,574.80x = 6,313.20 × 2,478.92
  4. Step 4: Simplify right side
    4,574.80x = 15,649,917.74
  5. Step 5: Solve for x
    x = 15,649,917.74/4,574.80
  6. Step 6: Final answer
    x = 3,420.90

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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.