Home / 7,412.23-10,227.53-4,225.39

Finding the Fourth Proportional to 7,412.23, 10,227.53 and 4,225.39

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Solution

The fourth proportional to 7,412.23, 10,227.53 and 4,225.39 is: 5,830.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.23 : 10,227.53 = 4,225.39 : x
  2. Step 2: Convert to fraction form
    7,412.23/10,227.53 = 4,225.39/x
  3. Step 3: Cross multiply
    7,412.23x = 10,227.53 × 4,225.39
  4. Step 4: Simplify right side
    7,412.23x = 43,215,302.99
  5. Step 5: Solve for x
    x = 43,215,302.99/7,412.23
  6. Step 6: Final answer
    x = 5,830.27

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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.