Home / 4,688.36-7,030.43-1,764.60

Finding the Fourth Proportional to 4,688.36, 7,030.43 and 1,764.60

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Solution

The fourth proportional to 4,688.36, 7,030.43 and 1,764.60 is: 2,646.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.36 : 7,030.43 = 1,764.60 : x
  2. Step 2: Convert to fraction form
    4,688.36/7,030.43 = 1,764.60/x
  3. Step 3: Cross multiply
    4,688.36x = 7,030.43 × 1,764.60
  4. Step 4: Simplify right side
    4,688.36x = 12,405,896.78
  5. Step 5: Solve for x
    x = 12,405,896.78/4,688.36
  6. Step 6: Final answer
    x = 2,646.11

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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.