Home / 7,552.40-10,421.95-4,195.43

Finding the Fourth Proportional to 7,552.40, 10,421.95 and 4,195.43

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Solution

The fourth proportional to 7,552.40, 10,421.95 and 4,195.43 is: 5,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,552.40 : 10,421.95 = 4,195.43 : x
  2. Step 2: Convert to fraction form
    7,552.40/10,421.95 = 4,195.43/x
  3. Step 3: Cross multiply
    7,552.40x = 10,421.95 × 4,195.43
  4. Step 4: Simplify right side
    7,552.40x = 43,724,561.69
  5. Step 5: Solve for x
    x = 43,724,561.69/7,552.40
  6. Step 6: Final answer
    x = 5,789.49

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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.