Home / 5,077.23-7,615.26-1,379.40

Finding the Fourth Proportional to 5,077.23, 7,615.26 and 1,379.40

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Solution

The fourth proportional to 5,077.23, 7,615.26 and 1,379.40 is: 2,068.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.23 : 7,615.26 = 1,379.40 : x
  2. Step 2: Convert to fraction form
    5,077.23/7,615.26 = 1,379.40/x
  3. Step 3: Cross multiply
    5,077.23x = 7,615.26 × 1,379.40
  4. Step 4: Simplify right side
    5,077.23x = 10,504,489.64
  5. Step 5: Solve for x
    x = 10,504,489.64/5,077.23
  6. Step 6: Final answer
    x = 2,068.94

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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.