Home / 4,980.48-7,468.56-1,859.28

Finding the Fourth Proportional to 4,980.48, 7,468.56 and 1,859.28

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Solution

The fourth proportional to 4,980.48, 7,468.56 and 1,859.28 is: 2,788.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.48 : 7,468.56 = 1,859.28 : x
  2. Step 2: Convert to fraction form
    4,980.48/7,468.56 = 1,859.28/x
  3. Step 3: Cross multiply
    4,980.48x = 7,468.56 × 1,859.28
  4. Step 4: Simplify right side
    4,980.48x = 13,886,144.24
  5. Step 5: Solve for x
    x = 13,886,144.24/4,980.48
  6. Step 6: Final answer
    x = 2,788.11

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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.