Home / 6,984.48-9,631.44-4,625.76

Finding the Fourth Proportional to 6,984.48, 9,631.44 and 4,625.76

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Solution

The fourth proportional to 6,984.48, 9,631.44 and 4,625.76 is: 6,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984.48 : 9,631.44 = 4,625.76 : x
  2. Step 2: Convert to fraction form
    6,984.48/9,631.44 = 4,625.76/x
  3. Step 3: Cross multiply
    6,984.48x = 9,631.44 × 4,625.76
  4. Step 4: Simplify right side
    6,984.48x = 44,552,729.89
  5. Step 5: Solve for x
    x = 44,552,729.89/6,984.48
  6. Step 6: Final answer
    x = 6,378.82

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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.