Home / 9,771.07-13,487.15-6,234.28

Finding the Fourth Proportional to 9,771.07, 13,487.15 and 6,234.28

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Solution

The fourth proportional to 9,771.07, 13,487.15 and 6,234.28 is: 8,605.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771.07 : 13,487.15 = 6,234.28 : x
  2. Step 2: Convert to fraction form
    9,771.07/13,487.15 = 6,234.28/x
  3. Step 3: Cross multiply
    9,771.07x = 13,487.15 × 6,234.28
  4. Step 4: Simplify right side
    9,771.07x = 84,082,604.61
  5. Step 5: Solve for x
    x = 84,082,604.61/9,771.07
  6. Step 6: Final answer
    x = 8,605.26

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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.