Home / 4,639.75-6,403.11-2,752.45

Finding the Fourth Proportional to 4,639.75, 6,403.11 and 2,752.45

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Solution

The fourth proportional to 4,639.75, 6,403.11 and 2,752.45 is: 3,798.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.75 : 6,403.11 = 2,752.45 : x
  2. Step 2: Convert to fraction form
    4,639.75/6,403.11 = 2,752.45/x
  3. Step 3: Cross multiply
    4,639.75x = 6,403.11 × 2,752.45
  4. Step 4: Simplify right side
    4,639.75x = 17,624,208.10
  5. Step 5: Solve for x
    x = 17,624,208.10/4,639.75
  6. Step 6: Final answer
    x = 3,798.53

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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.