Home / 7,603.20-11,404.80-4,322.70

Finding the Fourth Proportional to 7,603.20, 11,404.80 and 4,322.70

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Solution

The fourth proportional to 7,603.20, 11,404.80 and 4,322.70 is: 6,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.20 : 11,404.80 = 4,322.70 : x
  2. Step 2: Convert to fraction form
    7,603.20/11,404.80 = 4,322.70/x
  3. Step 3: Cross multiply
    7,603.20x = 11,404.80 × 4,322.70
  4. Step 4: Simplify right side
    7,603.20x = 49,299,528.96
  5. Step 5: Solve for x
    x = 49,299,528.96/7,603.20
  6. Step 6: Final answer
    x = 6,484.05

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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.