Home / 7,443.01-11,166.15-2,178.47

Finding the Fourth Proportional to 7,443.01, 11,166.15 and 2,178.47

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Solution

The fourth proportional to 7,443.01, 11,166.15 and 2,178.47 is: 3,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.01 : 11,166.15 = 2,178.47 : x
  2. Step 2: Convert to fraction form
    7,443.01/11,166.15 = 2,178.47/x
  3. Step 3: Cross multiply
    7,443.01x = 11,166.15 × 2,178.47
  4. Step 4: Simplify right side
    7,443.01x = 24,325,056.07
  5. Step 5: Solve for x
    x = 24,325,056.07/7,443.01
  6. Step 6: Final answer
    x = 3,268.17

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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.