Home / 4,296.86-6,440.37-1,983.50

Finding the Fourth Proportional to 4,296.86, 6,440.37 and 1,983.50

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Solution

The fourth proportional to 4,296.86, 6,440.37 and 1,983.50 is: 2,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,296.86 : 6,440.37 = 1,983.50 : x
  2. Step 2: Convert to fraction form
    4,296.86/6,440.37 = 1,983.50/x
  3. Step 3: Cross multiply
    4,296.86x = 6,440.37 × 1,983.50
  4. Step 4: Simplify right side
    4,296.86x = 12,774,473.90
  5. Step 5: Solve for x
    x = 12,774,473.90/4,296.86
  6. Step 6: Final answer
    x = 2,972.98

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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.