Home / 8,433.05-12,639.85-4,529.25

Finding the Fourth Proportional to 8,433.05, 12,639.85 and 4,529.25

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Solution

The fourth proportional to 8,433.05, 12,639.85 and 4,529.25 is: 6,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.05 : 12,639.85 = 4,529.25 : x
  2. Step 2: Convert to fraction form
    8,433.05/12,639.85 = 4,529.25/x
  3. Step 3: Cross multiply
    8,433.05x = 12,639.85 × 4,529.25
  4. Step 4: Simplify right side
    8,433.05x = 57,249,029.29
  5. Step 5: Solve for x
    x = 57,249,029.29/8,433.05
  6. Step 6: Final answer
    x = 6,788.65

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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.