Home / 4,281.96-6,425.46-1,685.64

Finding the Fourth Proportional to 4,281.96, 6,425.46 and 1,685.64

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Solution

The fourth proportional to 4,281.96, 6,425.46 and 1,685.64 is: 2,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.96 : 6,425.46 = 1,685.64 : x
  2. Step 2: Convert to fraction form
    4,281.96/6,425.46 = 1,685.64/x
  3. Step 3: Cross multiply
    4,281.96x = 6,425.46 × 1,685.64
  4. Step 4: Simplify right side
    4,281.96x = 10,831,012.39
  5. Step 5: Solve for x
    x = 10,831,012.39/4,281.96
  6. Step 6: Final answer
    x = 2,529.45

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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.