Home / 6,117.84-8,433.36-3,755.88

Finding the Fourth Proportional to 6,117.84, 8,433.36 and 3,755.88

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Solution

The fourth proportional to 6,117.84, 8,433.36 and 3,755.88 is: 5,177.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.84 : 8,433.36 = 3,755.88 : x
  2. Step 2: Convert to fraction form
    6,117.84/8,433.36 = 3,755.88/x
  3. Step 3: Cross multiply
    6,117.84x = 8,433.36 × 3,755.88
  4. Step 4: Simplify right side
    6,117.84x = 31,674,688.16
  5. Step 5: Solve for x
    x = 31,674,688.16/6,117.84
  6. Step 6: Final answer
    x = 5,177.43

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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.