Home / 6,645.60-9,967.80-2,263.20

Finding the Fourth Proportional to 6,645.60, 9,967.80 and 2,263.20

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Solution

The fourth proportional to 6,645.60, 9,967.80 and 2,263.20 is: 3,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.60 : 9,967.80 = 2,263.20 : x
  2. Step 2: Convert to fraction form
    6,645.60/9,967.80 = 2,263.20/x
  3. Step 3: Cross multiply
    6,645.60x = 9,967.80 × 2,263.20
  4. Step 4: Simplify right side
    6,645.60x = 22,559,124.96
  5. Step 5: Solve for x
    x = 22,559,124.96/6,645.60
  6. Step 6: Final answer
    x = 3,394.60

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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.