Home / 7,774.89-10,735.67-6,339.49

Finding the Fourth Proportional to 7,774.89, 10,735.67 and 6,339.49

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Solution

The fourth proportional to 7,774.89, 10,735.67 and 6,339.49 is: 8,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774.89 : 10,735.67 = 6,339.49 : x
  2. Step 2: Convert to fraction form
    7,774.89/10,735.67 = 6,339.49/x
  3. Step 3: Cross multiply
    7,774.89x = 10,735.67 × 6,339.49
  4. Step 4: Simplify right side
    7,774.89x = 68,058,672.61
  5. Step 5: Solve for x
    x = 68,058,672.61/7,774.89
  6. Step 6: Final answer
    x = 8,753.65

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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.