Home / 4,303.70-6,447.20-2,520.45

Finding the Fourth Proportional to 4,303.70, 6,447.20 and 2,520.45

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Solution

The fourth proportional to 4,303.70, 6,447.20 and 2,520.45 is: 3,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,303.70 : 6,447.20 = 2,520.45 : x
  2. Step 2: Convert to fraction form
    4,303.70/6,447.20 = 2,520.45/x
  3. Step 3: Cross multiply
    4,303.70x = 6,447.20 × 2,520.45
  4. Step 4: Simplify right side
    4,303.70x = 16,249,845.24
  5. Step 5: Solve for x
    x = 16,249,845.24/4,303.70
  6. Step 6: Final answer
    x = 3,775.78

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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.