Home / 7,485.42-11,180.73-5,824.68

Finding the Fourth Proportional to 7,485.42, 11,180.73 and 5,824.68

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Solution

The fourth proportional to 7,485.42, 11,180.73 and 5,824.68 is: 8,700.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.42 : 11,180.73 = 5,824.68 : x
  2. Step 2: Convert to fraction form
    7,485.42/11,180.73 = 5,824.68/x
  3. Step 3: Cross multiply
    7,485.42x = 11,180.73 × 5,824.68
  4. Step 4: Simplify right side
    7,485.42x = 65,124,174.42
  5. Step 5: Solve for x
    x = 65,124,174.42/7,485.42
  6. Step 6: Final answer
    x = 8,700.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.