Home / 7,485.40-11,225.60-2,486.82

Finding the Fourth Proportional to 7,485.40, 11,225.60 and 2,486.82

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Solution

The fourth proportional to 7,485.40, 11,225.60 and 2,486.82 is: 3,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.40 : 11,225.60 = 2,486.82 : x
  2. Step 2: Convert to fraction form
    7,485.40/11,225.60 = 2,486.82/x
  3. Step 3: Cross multiply
    7,485.40x = 11,225.60 × 2,486.82
  4. Step 4: Simplify right side
    7,485.40x = 27,916,034.16
  5. Step 5: Solve for x
    x = 27,916,034.16/7,485.40
  6. Step 6: Final answer
    x = 3,729.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.