Home / 5,328.40-8,004.84-3,360.10

Finding the Fourth Proportional to 5,328.40, 8,004.84 and 3,360.10

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Solution

The fourth proportional to 5,328.40, 8,004.84 and 3,360.10 is: 5,047.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.40 : 8,004.84 = 3,360.10 : x
  2. Step 2: Convert to fraction form
    5,328.40/8,004.84 = 3,360.10/x
  3. Step 3: Cross multiply
    5,328.40x = 8,004.84 × 3,360.10
  4. Step 4: Simplify right side
    5,328.40x = 26,897,062.88
  5. Step 5: Solve for x
    x = 26,897,062.88/5,328.40
  6. Step 6: Final answer
    x = 5,047.87

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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.