Home / 5,990.28-8,985.41-1,830.30

Finding the Fourth Proportional to 5,990.28, 8,985.41 and 1,830.30

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Solution

The fourth proportional to 5,990.28, 8,985.41 and 1,830.30 is: 2,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.28 : 8,985.41 = 1,830.30 : x
  2. Step 2: Convert to fraction form
    5,990.28/8,985.41 = 1,830.30/x
  3. Step 3: Cross multiply
    5,990.28x = 8,985.41 × 1,830.30
  4. Step 4: Simplify right side
    5,990.28x = 16,445,995.92
  5. Step 5: Solve for x
    x = 16,445,995.92/5,990.28
  6. Step 6: Final answer
    x = 2,745.45

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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.