Home / 5,352.40-8,036.70-4,121.20

Finding the Fourth Proportional to 5,352.40, 8,036.70 and 4,121.20

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Solution

The fourth proportional to 5,352.40, 8,036.70 and 4,121.20 is: 6,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.40 : 8,036.70 = 4,121.20 : x
  2. Step 2: Convert to fraction form
    5,352.40/8,036.70 = 4,121.20/x
  3. Step 3: Cross multiply
    5,352.40x = 8,036.70 × 4,121.20
  4. Step 4: Simplify right side
    5,352.40x = 33,120,848.04
  5. Step 5: Solve for x
    x = 33,120,848.04/5,352.40
  6. Step 6: Final answer
    x = 6,188.04

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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.