Home / 5,231.55-7,219.21-4,813.59

Finding the Fourth Proportional to 5,231.55, 7,219.21 and 4,813.59

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Solution

The fourth proportional to 5,231.55, 7,219.21 and 4,813.59 is: 6,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.55 : 7,219.21 = 4,813.59 : x
  2. Step 2: Convert to fraction form
    5,231.55/7,219.21 = 4,813.59/x
  3. Step 3: Cross multiply
    5,231.55x = 7,219.21 × 4,813.59
  4. Step 4: Simplify right side
    5,231.55x = 34,750,317.06
  5. Step 5: Solve for x
    x = 34,750,317.06/5,231.55
  6. Step 6: Final answer
    x = 6,642.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.