Home / 4,955.52-6,840-2,860.48

Finding the Fourth Proportional to 4,955.52, 6,840 and 2,860.48

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Solution

The fourth proportional to 4,955.52, 6,840 and 2,860.48 is: 3,948.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.52 : 6,840 = 2,860.48 : x
  2. Step 2: Convert to fraction form
    4,955.52/6,840 = 2,860.48/x
  3. Step 3: Cross multiply
    4,955.52x = 6,840 × 2,860.48
  4. Step 4: Simplify right side
    4,955.52x = 19,565,683.20
  5. Step 5: Solve for x
    x = 19,565,683.20/4,955.52
  6. Step 6: Final answer
    x = 3,948.26

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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.