Home / 6,980.37-9,619.93-4,742.34

Finding the Fourth Proportional to 6,980.37, 9,619.93 and 4,742.34

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Solution

The fourth proportional to 6,980.37, 9,619.93 and 4,742.34 is: 6,535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.37 : 9,619.93 = 4,742.34 : x
  2. Step 2: Convert to fraction form
    6,980.37/9,619.93 = 4,742.34/x
  3. Step 3: Cross multiply
    6,980.37x = 9,619.93 × 4,742.34
  4. Step 4: Simplify right side
    6,980.37x = 45,620,978.84
  5. Step 5: Solve for x
    x = 45,620,978.84/6,980.37
  6. Step 6: Final answer
    x = 6,535.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.