Home / 5,603.52-8,403.38-1,904.75

Finding the Fourth Proportional to 5,603.52, 8,403.38 and 1,904.75

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Solution

The fourth proportional to 5,603.52, 8,403.38 and 1,904.75 is: 2,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.52 : 8,403.38 = 1,904.75 : x
  2. Step 2: Convert to fraction form
    5,603.52/8,403.38 = 1,904.75/x
  3. Step 3: Cross multiply
    5,603.52x = 8,403.38 × 1,904.75
  4. Step 4: Simplify right side
    5,603.52x = 16,006,338.06
  5. Step 5: Solve for x
    x = 16,006,338.06/5,603.52
  6. Step 6: Final answer
    x = 2,856.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.