Home / 9,240.43-13,853.34-4,855.51

Finding the Fourth Proportional to 9,240.43, 13,853.34 and 4,855.51

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Solution

The fourth proportional to 9,240.43, 13,853.34 and 4,855.51 is: 7,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.43 : 13,853.34 = 4,855.51 : x
  2. Step 2: Convert to fraction form
    9,240.43/13,853.34 = 4,855.51/x
  3. Step 3: Cross multiply
    9,240.43x = 13,853.34 × 4,855.51
  4. Step 4: Simplify right side
    9,240.43x = 67,265,030.90
  5. Step 5: Solve for x
    x = 67,265,030.90/9,240.43
  6. Step 6: Final answer
    x = 7,279.43

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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.