Home / 9,240.48-13,859.71-3,692.39

Finding the Fourth Proportional to 9,240.48, 13,859.71 and 3,692.39

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Solution

The fourth proportional to 9,240.48, 13,859.71 and 3,692.39 is: 5,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.48 : 13,859.71 = 3,692.39 : x
  2. Step 2: Convert to fraction form
    9,240.48/13,859.71 = 3,692.39/x
  3. Step 3: Cross multiply
    9,240.48x = 13,859.71 × 3,692.39
  4. Step 4: Simplify right side
    9,240.48x = 51,175,376.08
  5. Step 5: Solve for x
    x = 51,175,376.08/9,240.48
  6. Step 6: Final answer
    x = 5,538.17

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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.