Home / 7,260.26-10,890.40-4,810.64

Finding the Fourth Proportional to 7,260.26, 10,890.40 and 4,810.64

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Solution

The fourth proportional to 7,260.26, 10,890.40 and 4,810.64 is: 7,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.26 : 10,890.40 = 4,810.64 : x
  2. Step 2: Convert to fraction form
    7,260.26/10,890.40 = 4,810.64/x
  3. Step 3: Cross multiply
    7,260.26x = 10,890.40 × 4,810.64
  4. Step 4: Simplify right side
    7,260.26x = 52,389,793.86
  5. Step 5: Solve for x
    x = 52,389,793.86/7,260.26
  6. Step 6: Final answer
    x = 7,215.97

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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.