Home / 4,977.51-6,867.93-3,782.16

Finding the Fourth Proportional to 4,977.51, 6,867.93 and 3,782.16

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Solution

The fourth proportional to 4,977.51, 6,867.93 and 3,782.16 is: 5,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.51 : 6,867.93 = 3,782.16 : x
  2. Step 2: Convert to fraction form
    4,977.51/6,867.93 = 3,782.16/x
  3. Step 3: Cross multiply
    4,977.51x = 6,867.93 × 3,782.16
  4. Step 4: Simplify right side
    4,977.51x = 25,975,610.13
  5. Step 5: Solve for x
    x = 25,975,610.13/4,977.51
  6. Step 6: Final answer
    x = 5,218.60

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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.