Home / 9,215.78-13,825.06-2,973.74

Finding the Fourth Proportional to 9,215.78, 13,825.06 and 2,973.74

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Solution

The fourth proportional to 9,215.78, 13,825.06 and 2,973.74 is: 4,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.78 : 13,825.06 = 2,973.74 : x
  2. Step 2: Convert to fraction form
    9,215.78/13,825.06 = 2,973.74/x
  3. Step 3: Cross multiply
    9,215.78x = 13,825.06 × 2,973.74
  4. Step 4: Simplify right side
    9,215.78x = 41,112,133.92
  5. Step 5: Solve for x
    x = 41,112,133.92/9,215.78
  6. Step 6: Final answer
    x = 4,461.06

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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.