Home / 4,628.70-6,387.30-2,860.02

Finding the Fourth Proportional to 4,628.70, 6,387.30 and 2,860.02

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Solution

The fourth proportional to 4,628.70, 6,387.30 and 2,860.02 is: 3,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.70 : 6,387.30 = 2,860.02 : x
  2. Step 2: Convert to fraction form
    4,628.70/6,387.30 = 2,860.02/x
  3. Step 3: Cross multiply
    4,628.70x = 6,387.30 × 2,860.02
  4. Step 4: Simplify right side
    4,628.70x = 18,267,805.75
  5. Step 5: Solve for x
    x = 18,267,805.75/4,628.70
  6. Step 6: Final answer
    x = 3,946.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.