Home / 4,811.28-6,639.54-2,603.28

Finding the Fourth Proportional to 4,811.28, 6,639.54 and 2,603.28

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Solution

The fourth proportional to 4,811.28, 6,639.54 and 2,603.28 is: 3,592.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.28 : 6,639.54 = 2,603.28 : x
  2. Step 2: Convert to fraction form
    4,811.28/6,639.54 = 2,603.28/x
  3. Step 3: Cross multiply
    4,811.28x = 6,639.54 × 2,603.28
  4. Step 4: Simplify right side
    4,811.28x = 17,284,581.69
  5. Step 5: Solve for x
    x = 17,284,581.69/4,811.28
  6. Step 6: Final answer
    x = 3,592.51

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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.