Home / 7,623.69-10,517.36-4,478.46

Finding the Fourth Proportional to 7,623.69, 10,517.36 and 4,478.46

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Solution

The fourth proportional to 7,623.69, 10,517.36 and 4,478.46 is: 6,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.69 : 10,517.36 = 4,478.46 : x
  2. Step 2: Convert to fraction form
    7,623.69/10,517.36 = 4,478.46/x
  3. Step 3: Cross multiply
    7,623.69x = 10,517.36 × 4,478.46
  4. Step 4: Simplify right side
    7,623.69x = 47,101,553.67
  5. Step 5: Solve for x
    x = 47,101,553.67/7,623.69
  6. Step 6: Final answer
    x = 6,178.31

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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.