Home / 9,268.95-12,792.07-5,290.66

Finding the Fourth Proportional to 9,268.95, 12,792.07 and 5,290.66

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Solution

The fourth proportional to 9,268.95, 12,792.07 and 5,290.66 is: 7,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.95 : 12,792.07 = 5,290.66 : x
  2. Step 2: Convert to fraction form
    9,268.95/12,792.07 = 5,290.66/x
  3. Step 3: Cross multiply
    9,268.95x = 12,792.07 × 5,290.66
  4. Step 4: Simplify right side
    9,268.95x = 67,678,515.67
  5. Step 5: Solve for x
    x = 67,678,515.67/9,268.95
  6. Step 6: Final answer
    x = 7,301.63

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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.