Home / 4,968.60-7,444.80-3,656.40

Finding the Fourth Proportional to 4,968.60, 7,444.80 and 3,656.40

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Solution

The fourth proportional to 4,968.60, 7,444.80 and 3,656.40 is: 5,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.60 : 7,444.80 = 3,656.40 : x
  2. Step 2: Convert to fraction form
    4,968.60/7,444.80 = 3,656.40/x
  3. Step 3: Cross multiply
    4,968.60x = 7,444.80 × 3,656.40
  4. Step 4: Simplify right side
    4,968.60x = 27,221,166.72
  5. Step 5: Solve for x
    x = 27,221,166.72/4,968.60
  6. Step 6: Final answer
    x = 5,478.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.