Home / 4,610.30-6,918.14-1,688.81

Finding the Fourth Proportional to 4,610.30, 6,918.14 and 1,688.81

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Solution

The fourth proportional to 4,610.30, 6,918.14 and 1,688.81 is: 2,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.30 : 6,918.14 = 1,688.81 : x
  2. Step 2: Convert to fraction form
    4,610.30/6,918.14 = 1,688.81/x
  3. Step 3: Cross multiply
    4,610.30x = 6,918.14 × 1,688.81
  4. Step 4: Simplify right side
    4,610.30x = 11,683,393.64
  5. Step 5: Solve for x
    x = 11,683,393.64/4,610.30
  6. Step 6: Final answer
    x = 2,534.20

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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.