Home / 9,269.66-12,790.22-5,292.07

Finding the Fourth Proportional to 9,269.66, 12,790.22 and 5,292.07

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Solution

The fourth proportional to 9,269.66, 12,790.22 and 5,292.07 is: 7,301.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.66 : 12,790.22 = 5,292.07 : x
  2. Step 2: Convert to fraction form
    9,269.66/12,790.22 = 5,292.07/x
  3. Step 3: Cross multiply
    9,269.66x = 12,790.22 × 5,292.07
  4. Step 4: Simplify right side
    9,269.66x = 67,686,681.12
  5. Step 5: Solve for x
    x = 67,686,681.12/9,269.66
  6. Step 6: Final answer
    x = 7,301.96

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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.