Home / 4,811.52-6,639.88-2,603.52

Finding the Fourth Proportional to 4,811.52, 6,639.88 and 2,603.52

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Solution

The fourth proportional to 4,811.52, 6,639.88 and 2,603.52 is: 3,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.52 : 6,639.88 = 2,603.52 : x
  2. Step 2: Convert to fraction form
    4,811.52/6,639.88 = 2,603.52/x
  3. Step 3: Cross multiply
    4,811.52x = 6,639.88 × 2,603.52
  4. Step 4: Simplify right side
    4,811.52x = 17,287,060.38
  5. Step 5: Solve for x
    x = 17,287,060.38/4,811.52
  6. Step 6: Final answer
    x = 3,592.85

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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.