Home / 9,146.74-13,719.93-2,907.12

Finding the Fourth Proportional to 9,146.74, 13,719.93 and 2,907.12

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Solution

The fourth proportional to 9,146.74, 13,719.93 and 2,907.12 is: 4,360.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.74 : 13,719.93 = 2,907.12 : x
  2. Step 2: Convert to fraction form
    9,146.74/13,719.93 = 2,907.12/x
  3. Step 3: Cross multiply
    9,146.74x = 13,719.93 × 2,907.12
  4. Step 4: Simplify right side
    9,146.74x = 39,885,482.90
  5. Step 5: Solve for x
    x = 39,885,482.90/9,146.74
  6. Step 6: Final answer
    x = 4,360.62

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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.