Home / 7,421.36-11,110.17-4,950.05

Finding the Fourth Proportional to 7,421.36, 11,110.17 and 4,950.05

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Solution

The fourth proportional to 7,421.36, 11,110.17 and 4,950.05 is: 7,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.36 : 11,110.17 = 4,950.05 : x
  2. Step 2: Convert to fraction form
    7,421.36/11,110.17 = 4,950.05/x
  3. Step 3: Cross multiply
    7,421.36x = 11,110.17 × 4,950.05
  4. Step 4: Simplify right side
    7,421.36x = 54,995,897.01
  5. Step 5: Solve for x
    x = 54,995,897.01/7,421.36
  6. Step 6: Final answer
    x = 7,410.49

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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.