Home / 7,485.70-11,214.50-6,260.98

Finding the Fourth Proportional to 7,485.70, 11,214.50 and 6,260.98

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Solution

The fourth proportional to 7,485.70, 11,214.50 and 6,260.98 is: 9,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.70 : 11,214.50 = 6,260.98 : x
  2. Step 2: Convert to fraction form
    7,485.70/11,214.50 = 6,260.98/x
  3. Step 3: Cross multiply
    7,485.70x = 11,214.50 × 6,260.98
  4. Step 4: Simplify right side
    7,485.70x = 70,213,760.21
  5. Step 5: Solve for x
    x = 70,213,760.21/7,485.70
  6. Step 6: Final answer
    x = 9,379.72

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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.