Home / 9,245.83-13,867.95-3,980.63

Finding the Fourth Proportional to 9,245.83, 13,867.95 and 3,980.63

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Solution

The fourth proportional to 9,245.83, 13,867.95 and 3,980.63 is: 5,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.83 : 13,867.95 = 3,980.63 : x
  2. Step 2: Convert to fraction form
    9,245.83/13,867.95 = 3,980.63/x
  3. Step 3: Cross multiply
    9,245.83x = 13,867.95 × 3,980.63
  4. Step 4: Simplify right side
    9,245.83x = 55,203,108.47
  5. Step 5: Solve for x
    x = 55,203,108.47/9,245.83
  6. Step 6: Final answer
    x = 5,970.60

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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.