Home / 4,681.66-7,020.26-1,393.60

Finding the Fourth Proportional to 4,681.66, 7,020.26 and 1,393.60

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Solution

The fourth proportional to 4,681.66, 7,020.26 and 1,393.60 is: 2,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.66 : 7,020.26 = 1,393.60 : x
  2. Step 2: Convert to fraction form
    4,681.66/7,020.26 = 1,393.60/x
  3. Step 3: Cross multiply
    4,681.66x = 7,020.26 × 1,393.60
  4. Step 4: Simplify right side
    4,681.66x = 9,783,434.34
  5. Step 5: Solve for x
    x = 9,783,434.34/4,681.66
  6. Step 6: Final answer
    x = 2,089.74

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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.