Home / 7,482.51-11,209.41-4,185.63

Finding the Fourth Proportional to 7,482.51, 11,209.41 and 4,185.63

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Solution

The fourth proportional to 7,482.51, 11,209.41 and 4,185.63 is: 6,270.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.51 : 11,209.41 = 4,185.63 : x
  2. Step 2: Convert to fraction form
    7,482.51/11,209.41 = 4,185.63/x
  3. Step 3: Cross multiply
    7,482.51x = 11,209.41 × 4,185.63
  4. Step 4: Simplify right side
    7,482.51x = 46,918,442.78
  5. Step 5: Solve for x
    x = 46,918,442.78/7,482.51
  6. Step 6: Final answer
    x = 6,270.41

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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.