Home / 9,261.95-12,781.37-5,283.13

Finding the Fourth Proportional to 9,261.95, 12,781.37 and 5,283.13

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Solution

The fourth proportional to 9,261.95, 12,781.37 and 5,283.13 is: 7,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.95 : 12,781.37 = 5,283.13 : x
  2. Step 2: Convert to fraction form
    9,261.95/12,781.37 = 5,283.13/x
  3. Step 3: Cross multiply
    9,261.95x = 12,781.37 × 5,283.13
  4. Step 4: Simplify right side
    9,261.95x = 67,525,580.92
  5. Step 5: Solve for x
    x = 67,525,580.92/9,261.95
  6. Step 6: Final answer
    x = 7,290.64

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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.