Home / 7,421.88-11,130.66-4,838.52

Finding the Fourth Proportional to 7,421.88, 11,130.66 and 4,838.52

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Solution

The fourth proportional to 7,421.88, 11,130.66 and 4,838.52 is: 7,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.88 : 11,130.66 = 4,838.52 : x
  2. Step 2: Convert to fraction form
    7,421.88/11,130.66 = 4,838.52/x
  3. Step 3: Cross multiply
    7,421.88x = 11,130.66 × 4,838.52
  4. Step 4: Simplify right side
    7,421.88x = 53,855,921.02
  5. Step 5: Solve for x
    x = 53,855,921.02/7,421.88
  6. Step 6: Final answer
    x = 7,256.37

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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.