Home / 7,530.80-10,391.49-4,344.21

Finding the Fourth Proportional to 7,530.80, 10,391.49 and 4,344.21

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Solution

The fourth proportional to 7,530.80, 10,391.49 and 4,344.21 is: 5,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.80 : 10,391.49 = 4,344.21 : x
  2. Step 2: Convert to fraction form
    7,530.80/10,391.49 = 4,344.21/x
  3. Step 3: Cross multiply
    7,530.80x = 10,391.49 × 4,344.21
  4. Step 4: Simplify right side
    7,530.80x = 45,142,814.77
  5. Step 5: Solve for x
    x = 45,142,814.77/7,530.80
  6. Step 6: Final answer
    x = 5,994.43

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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.