Home / 4,574.67-6,313.07-2,478.80

Finding the Fourth Proportional to 4,574.67, 6,313.07 and 2,478.80

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Solution

The fourth proportional to 4,574.67, 6,313.07 and 2,478.80 is: 3,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.67 : 6,313.07 = 2,478.80 : x
  2. Step 2: Convert to fraction form
    4,574.67/6,313.07 = 2,478.80/x
  3. Step 3: Cross multiply
    4,574.67x = 6,313.07 × 2,478.80
  4. Step 4: Simplify right side
    4,574.67x = 15,648,812.55
  5. Step 5: Solve for x
    x = 15,648,812.55/4,574.67
  6. Step 6: Final answer
    x = 3,420.75

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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.