Home / 4,283.60-6,429.45-2,643.35

Finding the Fourth Proportional to 4,283.60, 6,429.45 and 2,643.35

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Solution

The fourth proportional to 4,283.60, 6,429.45 and 2,643.35 is: 3,967.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.60 : 6,429.45 = 2,643.35 : x
  2. Step 2: Convert to fraction form
    4,283.60/6,429.45 = 2,643.35/x
  3. Step 3: Cross multiply
    4,283.60x = 6,429.45 × 2,643.35
  4. Step 4: Simplify right side
    4,283.60x = 16,995,286.66
  5. Step 5: Solve for x
    x = 16,995,286.66/4,283.60
  6. Step 6: Final answer
    x = 3,967.52

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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.