Home / 7,328.73-10,120.34-4,680.79

Finding the Fourth Proportional to 7,328.73, 10,120.34 and 4,680.79

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Solution

The fourth proportional to 7,328.73, 10,120.34 and 4,680.79 is: 6,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.73 : 10,120.34 = 4,680.79 : x
  2. Step 2: Convert to fraction form
    7,328.73/10,120.34 = 4,680.79/x
  3. Step 3: Cross multiply
    7,328.73x = 10,120.34 × 4,680.79
  4. Step 4: Simplify right side
    7,328.73x = 47,371,172.67
  5. Step 5: Solve for x
    x = 47,371,172.67/7,328.73
  6. Step 6: Final answer
    x = 6,463.76

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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.