Home / 5,030.24-7,539.89-2,840.54

Finding the Fourth Proportional to 5,030.24, 7,539.89 and 2,840.54

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Solution

The fourth proportional to 5,030.24, 7,539.89 and 2,840.54 is: 4,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.24 : 7,539.89 = 2,840.54 : x
  2. Step 2: Convert to fraction form
    5,030.24/7,539.89 = 2,840.54/x
  3. Step 3: Cross multiply
    5,030.24x = 7,539.89 × 2,840.54
  4. Step 4: Simplify right side
    5,030.24x = 21,417,307.24
  5. Step 5: Solve for x
    x = 21,417,307.24/5,030.24
  6. Step 6: Final answer
    x = 4,257.72

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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.