Home / 9,280.94-12,808.31-5,089.19

Finding the Fourth Proportional to 9,280.94, 12,808.31 and 5,089.19

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Solution

The fourth proportional to 9,280.94, 12,808.31 and 5,089.19 is: 7,023.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.94 : 12,808.31 = 5,089.19 : x
  2. Step 2: Convert to fraction form
    9,280.94/12,808.31 = 5,089.19/x
  3. Step 3: Cross multiply
    9,280.94x = 12,808.31 × 5,089.19
  4. Step 4: Simplify right side
    9,280.94x = 65,183,865.70
  5. Step 5: Solve for x
    x = 65,183,865.70/9,280.94
  6. Step 6: Final answer
    x = 7,023.41

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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.