Home / 6,448.20-9,716.23-5,303.84

Finding the Fourth Proportional to 6,448.20, 9,716.23 and 5,303.84

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Solution

The fourth proportional to 6,448.20, 9,716.23 and 5,303.84 is: 7,991.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.20 : 9,716.23 = 5,303.84 : x
  2. Step 2: Convert to fraction form
    6,448.20/9,716.23 = 5,303.84/x
  3. Step 3: Cross multiply
    6,448.20x = 9,716.23 × 5,303.84
  4. Step 4: Simplify right side
    6,448.20x = 51,533,329.32
  5. Step 5: Solve for x
    x = 51,533,329.32/6,448.20
  6. Step 6: Final answer
    x = 7,991.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.