Home / 5,576.55-8,364.81-1,680.95

Finding the Fourth Proportional to 5,576.55, 8,364.81 and 1,680.95

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Solution

The fourth proportional to 5,576.55, 8,364.81 and 1,680.95 is: 2,521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.55 : 8,364.81 = 1,680.95 : x
  2. Step 2: Convert to fraction form
    5,576.55/8,364.81 = 1,680.95/x
  3. Step 3: Cross multiply
    5,576.55x = 8,364.81 × 1,680.95
  4. Step 4: Simplify right side
    5,576.55x = 14,060,827.37
  5. Step 5: Solve for x
    x = 14,060,827.37/5,576.55
  6. Step 6: Final answer
    x = 2,521.42

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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.