Home / 7,625.94-10,528.56-4,980.78

Finding the Fourth Proportional to 7,625.94, 10,528.56 and 4,980.78

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Solution

The fourth proportional to 7,625.94, 10,528.56 and 4,980.78 is: 6,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.94 : 10,528.56 = 4,980.78 : x
  2. Step 2: Convert to fraction form
    7,625.94/10,528.56 = 4,980.78/x
  3. Step 3: Cross multiply
    7,625.94x = 10,528.56 × 4,980.78
  4. Step 4: Simplify right side
    7,625.94x = 52,440,441.08
  5. Step 5: Solve for x
    x = 52,440,441.08/7,625.94
  6. Step 6: Final answer
    x = 6,876.59

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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.