Home / 4,283.06-6,425.20-1,685.40

Finding the Fourth Proportional to 4,283.06, 6,425.20 and 1,685.40

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Solution

The fourth proportional to 4,283.06, 6,425.20 and 1,685.40 is: 2,528.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.06 : 6,425.20 = 1,685.40 : x
  2. Step 2: Convert to fraction form
    4,283.06/6,425.20 = 1,685.40/x
  3. Step 3: Cross multiply
    4,283.06x = 6,425.20 × 1,685.40
  4. Step 4: Simplify right side
    4,283.06x = 10,829,032.08
  5. Step 5: Solve for x
    x = 10,829,032.08/4,283.06
  6. Step 6: Final answer
    x = 2,528.34

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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.