Home / 4,678.89-7,018.19-1,216.14

Finding the Fourth Proportional to 4,678.89, 7,018.19 and 1,216.14

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Solution

The fourth proportional to 4,678.89, 7,018.19 and 1,216.14 is: 1,824.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.89 : 7,018.19 = 1,216.14 : x
  2. Step 2: Convert to fraction form
    4,678.89/7,018.19 = 1,216.14/x
  3. Step 3: Cross multiply
    4,678.89x = 7,018.19 × 1,216.14
  4. Step 4: Simplify right side
    4,678.89x = 8,535,101.59
  5. Step 5: Solve for x
    x = 8,535,101.59/4,678.89
  6. Step 6: Final answer
    x = 1,824.17

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1.5x scale

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.