Home / 7,386.90-11,072.56-2,455.21

Finding the Fourth Proportional to 7,386.90, 11,072.56 and 2,455.21

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Solution

The fourth proportional to 7,386.90, 11,072.56 and 2,455.21 is: 3,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.90 : 11,072.56 = 2,455.21 : x
  2. Step 2: Convert to fraction form
    7,386.90/11,072.56 = 2,455.21/x
  3. Step 3: Cross multiply
    7,386.90x = 11,072.56 × 2,455.21
  4. Step 4: Simplify right side
    7,386.90x = 27,185,460.04
  5. Step 5: Solve for x
    x = 27,185,460.04/7,386.90
  6. Step 6: Final answer
    x = 3,680.23

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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.