Home / 5,643.36-7,782.48-4,317.12

Finding the Fourth Proportional to 5,643.36, 7,782.48 and 4,317.12

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Solution

The fourth proportional to 5,643.36, 7,782.48 and 4,317.12 is: 5,953.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.36 : 7,782.48 = 4,317.12 : x
  2. Step 2: Convert to fraction form
    5,643.36/7,782.48 = 4,317.12/x
  3. Step 3: Cross multiply
    5,643.36x = 7,782.48 × 4,317.12
  4. Step 4: Simplify right side
    5,643.36x = 33,597,900.06
  5. Step 5: Solve for x
    x = 33,597,900.06/5,643.36
  6. Step 6: Final answer
    x = 5,953.53

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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.