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Finding the Fourth Proportional to 6,881.79, 9,493.23 and 4,359.45

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Solution

The fourth proportional to 6,881.79, 9,493.23 and 4,359.45 is: 6,013.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.79 : 9,493.23 = 4,359.45 : x
  2. Step 2: Convert to fraction form
    6,881.79/9,493.23 = 4,359.45/x
  3. Step 3: Cross multiply
    6,881.79x = 9,493.23 × 4,359.45
  4. Step 4: Simplify right side
    6,881.79x = 41,385,261.52
  5. Step 5: Solve for x
    x = 41,385,261.52/6,881.79
  6. Step 6: Final answer
    x = 6,013.74

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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.