Home / 4,444.48-6,668.40-1,981.60

Finding the Fourth Proportional to 4,444.48, 6,668.40 and 1,981.60

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Solution

The fourth proportional to 4,444.48, 6,668.40 and 1,981.60 is: 2,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,444.48 : 6,668.40 = 1,981.60 : x
  2. Step 2: Convert to fraction form
    4,444.48/6,668.40 = 1,981.60/x
  3. Step 3: Cross multiply
    4,444.48x = 6,668.40 × 1,981.60
  4. Step 4: Simplify right side
    4,444.48x = 13,214,101.44
  5. Step 5: Solve for x
    x = 13,214,101.44/4,444.48
  6. Step 6: Final answer
    x = 2,973.15

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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.