Home / 8,433.28-11,638.31-4,849.40

Finding the Fourth Proportional to 8,433.28, 11,638.31 and 4,849.40

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Solution

The fourth proportional to 8,433.28, 11,638.31 and 4,849.40 is: 6,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.28 : 11,638.31 = 4,849.40 : x
  2. Step 2: Convert to fraction form
    8,433.28/11,638.31 = 4,849.40/x
  3. Step 3: Cross multiply
    8,433.28x = 11,638.31 × 4,849.40
  4. Step 4: Simplify right side
    8,433.28x = 56,438,820.51
  5. Step 5: Solve for x
    x = 56,438,820.51/8,433.28
  6. Step 6: Final answer
    x = 6,692.39

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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.