Home / 8,858.07-13,261.37-5,148.99

Finding the Fourth Proportional to 8,858.07, 13,261.37 and 5,148.99

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Solution

The fourth proportional to 8,858.07, 13,261.37 and 5,148.99 is: 7,708.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.07 : 13,261.37 = 5,148.99 : x
  2. Step 2: Convert to fraction form
    8,858.07/13,261.37 = 5,148.99/x
  3. Step 3: Cross multiply
    8,858.07x = 13,261.37 × 5,148.99
  4. Step 4: Simplify right side
    8,858.07x = 68,282,635.77
  5. Step 5: Solve for x
    x = 68,282,635.77/8,858.07
  6. Step 6: Final answer
    x = 7,708.52

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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.