Home / 6,143.63-9,215.40-2,854.90

Finding the Fourth Proportional to 6,143.63, 9,215.40 and 2,854.90

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Solution

The fourth proportional to 6,143.63, 9,215.40 and 2,854.90 is: 4,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.63 : 9,215.40 = 2,854.90 : x
  2. Step 2: Convert to fraction form
    6,143.63/9,215.40 = 2,854.90/x
  3. Step 3: Cross multiply
    6,143.63x = 9,215.40 × 2,854.90
  4. Step 4: Simplify right side
    6,143.63x = 26,308,999.38
  5. Step 5: Solve for x
    x = 26,308,999.38/6,143.63
  6. Step 6: Final answer
    x = 4,282.32

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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.