Home / 8,525.75-11,761.74-4,987.40

Finding the Fourth Proportional to 8,525.75, 11,761.74 and 4,987.40

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Solution

The fourth proportional to 8,525.75, 11,761.74 and 4,987.40 is: 6,880.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.75 : 11,761.74 = 4,987.40 : x
  2. Step 2: Convert to fraction form
    8,525.75/11,761.74 = 4,987.40/x
  3. Step 3: Cross multiply
    8,525.75x = 11,761.74 × 4,987.40
  4. Step 4: Simplify right side
    8,525.75x = 58,660,443.27
  5. Step 5: Solve for x
    x = 58,660,443.27/8,525.75
  6. Step 6: Final answer
    x = 6,880.39

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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.