Home / 7,783.14-10,739.96-4,246.32

Finding the Fourth Proportional to 7,783.14, 10,739.96 and 4,246.32

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Solution

The fourth proportional to 7,783.14, 10,739.96 and 4,246.32 is: 5,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.14 : 10,739.96 = 4,246.32 : x
  2. Step 2: Convert to fraction form
    7,783.14/10,739.96 = 4,246.32/x
  3. Step 3: Cross multiply
    7,783.14x = 10,739.96 × 4,246.32
  4. Step 4: Simplify right side
    7,783.14x = 45,605,306.95
  5. Step 5: Solve for x
    x = 45,605,306.95/7,783.14
  6. Step 6: Final answer
    x = 5,859.50

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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.