Home / 8,818.35-13,219.21-2,970.87

Finding the Fourth Proportional to 8,818.35, 13,219.21 and 2,970.87

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Solution

The fourth proportional to 8,818.35, 13,219.21 and 2,970.87 is: 4,453.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.35 : 13,219.21 = 2,970.87 : x
  2. Step 2: Convert to fraction form
    8,818.35/13,219.21 = 2,970.87/x
  3. Step 3: Cross multiply
    8,818.35x = 13,219.21 × 2,970.87
  4. Step 4: Simplify right side
    8,818.35x = 39,272,554.41
  5. Step 5: Solve for x
    x = 39,272,554.41/8,818.35
  6. Step 6: Final answer
    x = 4,453.50

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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.