Home / 9,280.87-12,809.95-5,304.33

Finding the Fourth Proportional to 9,280.87, 12,809.95 and 5,304.33

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Solution

The fourth proportional to 9,280.87, 12,809.95 and 5,304.33 is: 7,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.87 : 12,809.95 = 5,304.33 : x
  2. Step 2: Convert to fraction form
    9,280.87/12,809.95 = 5,304.33/x
  3. Step 3: Cross multiply
    9,280.87x = 12,809.95 × 5,304.33
  4. Step 4: Simplify right side
    9,280.87x = 67,948,188.82
  5. Step 5: Solve for x
    x = 67,948,188.82/9,280.87
  6. Step 6: Final answer
    x = 7,321.32

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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.