Home / 9,210.44-12,710.58-5,486.60

Finding the Fourth Proportional to 9,210.44, 12,710.58 and 5,486.60

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Solution

The fourth proportional to 9,210.44, 12,710.58 and 5,486.60 is: 7,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.44 : 12,710.58 = 5,486.60 : x
  2. Step 2: Convert to fraction form
    9,210.44/12,710.58 = 5,486.60/x
  3. Step 3: Cross multiply
    9,210.44x = 12,710.58 × 5,486.60
  4. Step 4: Simplify right side
    9,210.44x = 69,737,868.23
  5. Step 5: Solve for x
    x = 69,737,868.23/9,210.44
  6. Step 6: Final answer
    x = 7,571.61

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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.