Home / 4,283.46-6,428.16-1,686.42

Finding the Fourth Proportional to 4,283.46, 6,428.16 and 1,686.42

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Solution

The fourth proportional to 4,283.46, 6,428.16 and 1,686.42 is: 2,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.46 : 6,428.16 = 1,686.42 : x
  2. Step 2: Convert to fraction form
    4,283.46/6,428.16 = 1,686.42/x
  3. Step 3: Cross multiply
    4,283.46x = 6,428.16 × 1,686.42
  4. Step 4: Simplify right side
    4,283.46x = 10,840,577.59
  5. Step 5: Solve for x
    x = 10,840,577.59/4,283.46
  6. Step 6: Final answer
    x = 2,530.80

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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.