Home / 7,661.21-10,574.48-4,519.49

Finding the Fourth Proportional to 7,661.21, 10,574.48 and 4,519.49

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Solution

The fourth proportional to 7,661.21, 10,574.48 and 4,519.49 is: 6,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.21 : 10,574.48 = 4,519.49 : x
  2. Step 2: Convert to fraction form
    7,661.21/10,574.48 = 4,519.49/x
  3. Step 3: Cross multiply
    7,661.21x = 10,574.48 × 4,519.49
  4. Step 4: Simplify right side
    7,661.21x = 47,791,215.04
  5. Step 5: Solve for x
    x = 47,791,215.04/7,661.21
  6. Step 6: Final answer
    x = 6,238.08

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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.