Home / 4,679.23-7,017.63-1,391.53

Finding the Fourth Proportional to 4,679.23, 7,017.63 and 1,391.53

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Solution

The fourth proportional to 4,679.23, 7,017.63 and 1,391.53 is: 2,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.23 : 7,017.63 = 1,391.53 : x
  2. Step 2: Convert to fraction form
    4,679.23/7,017.63 = 1,391.53/x
  3. Step 3: Cross multiply
    4,679.23x = 7,017.63 × 1,391.53
  4. Step 4: Simplify right side
    4,679.23x = 9,765,242.67
  5. Step 5: Solve for x
    x = 9,765,242.67/4,679.23
  6. Step 6: Final answer
    x = 2,086.93

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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.