Home / 4,315.70-6,465.45-2,228.60

Finding the Fourth Proportional to 4,315.70, 6,465.45 and 2,228.60

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Solution

The fourth proportional to 4,315.70, 6,465.45 and 2,228.60 is: 3,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.70 : 6,465.45 = 2,228.60 : x
  2. Step 2: Convert to fraction form
    4,315.70/6,465.45 = 2,228.60/x
  3. Step 3: Cross multiply
    4,315.70x = 6,465.45 × 2,228.60
  4. Step 4: Simplify right side
    4,315.70x = 14,408,901.87
  5. Step 5: Solve for x
    x = 14,408,901.87/4,315.70
  6. Step 6: Final answer
    x = 3,338.72

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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.