Home / 7,683.74-11,525.61-2,490.02

Finding the Fourth Proportional to 7,683.74, 11,525.61 and 2,490.02

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Solution

The fourth proportional to 7,683.74, 11,525.61 and 2,490.02 is: 3,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.74 : 11,525.61 = 2,490.02 : x
  2. Step 2: Convert to fraction form
    7,683.74/11,525.61 = 2,490.02/x
  3. Step 3: Cross multiply
    7,683.74x = 11,525.61 × 2,490.02
  4. Step 4: Simplify right side
    7,683.74x = 28,698,999.41
  5. Step 5: Solve for x
    x = 28,698,999.41/7,683.74
  6. Step 6: Final answer
    x = 3,735.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.