Home / 8,762.68-13,140.07-2,521.33

Finding the Fourth Proportional to 8,762.68, 13,140.07 and 2,521.33

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Solution

The fourth proportional to 8,762.68, 13,140.07 and 2,521.33 is: 3,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.68 : 13,140.07 = 2,521.33 : x
  2. Step 2: Convert to fraction form
    8,762.68/13,140.07 = 2,521.33/x
  3. Step 3: Cross multiply
    8,762.68x = 13,140.07 × 2,521.33
  4. Step 4: Simplify right side
    8,762.68x = 33,130,427.72
  5. Step 5: Solve for x
    x = 33,130,427.72/8,762.68
  6. Step 6: Final answer
    x = 3,780.86

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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.