Home / 4,152.55-6,228.69-1,686.64

Finding the Fourth Proportional to 4,152.55, 6,228.69 and 1,686.64

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Solution

The fourth proportional to 4,152.55, 6,228.69 and 1,686.64 is: 2,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.55 : 6,228.69 = 1,686.64 : x
  2. Step 2: Convert to fraction form
    4,152.55/6,228.69 = 1,686.64/x
  3. Step 3: Cross multiply
    4,152.55x = 6,228.69 × 1,686.64
  4. Step 4: Simplify right side
    4,152.55x = 10,505,557.70
  5. Step 5: Solve for x
    x = 10,505,557.70/4,152.55
  6. Step 6: Final answer
    x = 2,529.91

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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.