Home / 4,305.20-6,455.24-1,706.80

Finding the Fourth Proportional to 4,305.20, 6,455.24 and 1,706.80

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Solution

The fourth proportional to 4,305.20, 6,455.24 and 1,706.80 is: 2,559.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.20 : 6,455.24 = 1,706.80 : x
  2. Step 2: Convert to fraction form
    4,305.20/6,455.24 = 1,706.80/x
  3. Step 3: Cross multiply
    4,305.20x = 6,455.24 × 1,706.80
  4. Step 4: Simplify right side
    4,305.20x = 11,017,803.63
  5. Step 5: Solve for x
    x = 11,017,803.63/4,305.20
  6. Step 6: Final answer
    x = 2,559.19

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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.