Home / 7,744.37-10,689.74-4,557.48

Finding the Fourth Proportional to 7,744.37, 10,689.74 and 4,557.48

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Solution

The fourth proportional to 7,744.37, 10,689.74 and 4,557.48 is: 6,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.37 : 10,689.74 = 4,557.48 : x
  2. Step 2: Convert to fraction form
    7,744.37/10,689.74 = 4,557.48/x
  3. Step 3: Cross multiply
    7,744.37x = 10,689.74 × 4,557.48
  4. Step 4: Simplify right side
    7,744.37x = 48,718,253.47
  5. Step 5: Solve for x
    x = 48,718,253.47/7,744.37
  6. Step 6: Final answer
    x = 6,290.80

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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.