Home / 4,904.92-7,362.64-1,985.14

Finding the Fourth Proportional to 4,904.92, 7,362.64 and 1,985.14

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Solution

The fourth proportional to 4,904.92, 7,362.64 and 1,985.14 is: 2,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.92 : 7,362.64 = 1,985.14 : x
  2. Step 2: Convert to fraction form
    4,904.92/7,362.64 = 1,985.14/x
  3. Step 3: Cross multiply
    4,904.92x = 7,362.64 × 1,985.14
  4. Step 4: Simplify right side
    4,904.92x = 14,615,871.17
  5. Step 5: Solve for x
    x = 14,615,871.17/4,904.92
  6. Step 6: Final answer
    x = 2,979.84

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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.