Home / 7,430.23-11,139.27-2,747.26

Finding the Fourth Proportional to 7,430.23, 11,139.27 and 2,747.26

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Solution

The fourth proportional to 7,430.23, 11,139.27 and 2,747.26 is: 4,118.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.23 : 11,139.27 = 2,747.26 : x
  2. Step 2: Convert to fraction form
    7,430.23/11,139.27 = 2,747.26/x
  3. Step 3: Cross multiply
    7,430.23x = 11,139.27 × 2,747.26
  4. Step 4: Simplify right side
    7,430.23x = 30,602,470.90
  5. Step 5: Solve for x
    x = 30,602,470.90/7,430.23
  6. Step 6: Final answer
    x = 4,118.64

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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.