Home / 4,415.84-6,623.76-1,818.80

Finding the Fourth Proportional to 4,415.84, 6,623.76 and 1,818.80

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Solution

The fourth proportional to 4,415.84, 6,623.76 and 1,818.80 is: 2,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.84 : 6,623.76 = 1,818.80 : x
  2. Step 2: Convert to fraction form
    4,415.84/6,623.76 = 1,818.80/x
  3. Step 3: Cross multiply
    4,415.84x = 6,623.76 × 1,818.80
  4. Step 4: Simplify right side
    4,415.84x = 12,047,294.69
  5. Step 5: Solve for x
    x = 12,047,294.69/4,415.84
  6. Step 6: Final answer
    x = 2,728.20

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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.