Home / 9,261.90-12,782.43-5,283.99

Finding the Fourth Proportional to 9,261.90, 12,782.43 and 5,283.99

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Solution

The fourth proportional to 9,261.90, 12,782.43 and 5,283.99 is: 7,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.90 : 12,782.43 = 5,283.99 : x
  2. Step 2: Convert to fraction form
    9,261.90/12,782.43 = 5,283.99/x
  3. Step 3: Cross multiply
    9,261.90x = 12,782.43 × 5,283.99
  4. Step 4: Simplify right side
    9,261.90x = 67,542,232.30
  5. Step 5: Solve for x
    x = 67,542,232.30/9,261.90
  6. Step 6: Final answer
    x = 7,292.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.