Home / 8,770.88-12,111.48-6,123.68

Finding the Fourth Proportional to 8,770.88, 12,111.48 and 6,123.68

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Solution

The fourth proportional to 8,770.88, 12,111.48 and 6,123.68 is: 8,456.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.88 : 12,111.48 = 6,123.68 : x
  2. Step 2: Convert to fraction form
    8,770.88/12,111.48 = 6,123.68/x
  3. Step 3: Cross multiply
    8,770.88x = 12,111.48 × 6,123.68
  4. Step 4: Simplify right side
    8,770.88x = 74,166,827.85
  5. Step 5: Solve for x
    x = 74,166,827.85/8,770.88
  6. Step 6: Final answer
    x = 8,456.03

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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.