Home / 8,323.16-11,489.15-5,136.98

Finding the Fourth Proportional to 8,323.16, 11,489.15 and 5,136.98

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Solution

The fourth proportional to 8,323.16, 11,489.15 and 5,136.98 is: 7,091.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.16 : 11,489.15 = 5,136.98 : x
  2. Step 2: Convert to fraction form
    8,323.16/11,489.15 = 5,136.98/x
  3. Step 3: Cross multiply
    8,323.16x = 11,489.15 × 5,136.98
  4. Step 4: Simplify right side
    8,323.16x = 59,019,450.64
  5. Step 5: Solve for x
    x = 59,019,450.64/8,323.16
  6. Step 6: Final answer
    x = 7,091.00

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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.