Home / 8,826.84-13,240.28-2,987.56

Finding the Fourth Proportional to 8,826.84, 13,240.28 and 2,987.56

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Solution

The fourth proportional to 8,826.84, 13,240.28 and 2,987.56 is: 4,481.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.84 : 13,240.28 = 2,987.56 : x
  2. Step 2: Convert to fraction form
    8,826.84/13,240.28 = 2,987.56/x
  3. Step 3: Cross multiply
    8,826.84x = 13,240.28 × 2,987.56
  4. Step 4: Simplify right side
    8,826.84x = 39,556,130.92
  5. Step 5: Solve for x
    x = 39,556,130.92/8,826.84
  6. Step 6: Final answer
    x = 4,481.35

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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.