Home / 5,890.02-8,128.71-3,532.11

Finding the Fourth Proportional to 5,890.02, 8,128.71 and 3,532.11

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Solution

The fourth proportional to 5,890.02, 8,128.71 and 3,532.11 is: 4,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.02 : 8,128.71 = 3,532.11 : x
  2. Step 2: Convert to fraction form
    5,890.02/8,128.71 = 3,532.11/x
  3. Step 3: Cross multiply
    5,890.02x = 8,128.71 × 3,532.11
  4. Step 4: Simplify right side
    5,890.02x = 28,711,497.88
  5. Step 5: Solve for x
    x = 28,711,497.88/5,890.02
  6. Step 6: Final answer
    x = 4,874.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.