Home / 4,628.38-6,386.93-2,860.14

Finding the Fourth Proportional to 4,628.38, 6,386.93 and 2,860.14

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Solution

The fourth proportional to 4,628.38, 6,386.93 and 2,860.14 is: 3,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.38 : 6,386.93 = 2,860.14 : x
  2. Step 2: Convert to fraction form
    4,628.38/6,386.93 = 2,860.14/x
  3. Step 3: Cross multiply
    4,628.38x = 6,386.93 × 2,860.14
  4. Step 4: Simplify right side
    4,628.38x = 18,267,513.97
  5. Step 5: Solve for x
    x = 18,267,513.97/4,628.38
  6. Step 6: Final answer
    x = 3,946.85

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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.