Home / 8,420.46-12,626.37-4,529.58

Finding the Fourth Proportional to 8,420.46, 12,626.37 and 4,529.58

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Solution

The fourth proportional to 8,420.46, 12,626.37 and 4,529.58 is: 6,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420.46 : 12,626.37 = 4,529.58 : x
  2. Step 2: Convert to fraction form
    8,420.46/12,626.37 = 4,529.58/x
  3. Step 3: Cross multiply
    8,420.46x = 12,626.37 × 4,529.58
  4. Step 4: Simplify right side
    8,420.46x = 57,192,153.02
  5. Step 5: Solve for x
    x = 57,192,153.02/8,420.46
  6. Step 6: Final answer
    x = 6,792.05

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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.