Home / 7,744.79-10,688.08-4,761.63

Finding the Fourth Proportional to 7,744.79, 10,688.08 and 4,761.63

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Solution

The fourth proportional to 7,744.79, 10,688.08 and 4,761.63 is: 6,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.79 : 10,688.08 = 4,761.63 : x
  2. Step 2: Convert to fraction form
    7,744.79/10,688.08 = 4,761.63/x
  3. Step 3: Cross multiply
    7,744.79x = 10,688.08 × 4,761.63
  4. Step 4: Simplify right side
    7,744.79x = 50,892,682.37
  5. Step 5: Solve for x
    x = 50,892,682.37/7,744.79
  6. Step 6: Final answer
    x = 6,571.22

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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.