Home / 7,125.39-10,693.85-3,663.63

Finding the Fourth Proportional to 7,125.39, 10,693.85 and 3,663.63

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Solution

The fourth proportional to 7,125.39, 10,693.85 and 3,663.63 is: 5,498.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.39 : 10,693.85 = 3,663.63 : x
  2. Step 2: Convert to fraction form
    7,125.39/10,693.85 = 3,663.63/x
  3. Step 3: Cross multiply
    7,125.39x = 10,693.85 × 3,663.63
  4. Step 4: Simplify right side
    7,125.39x = 39,178,291.36
  5. Step 5: Solve for x
    x = 39,178,291.36/7,125.39
  6. Step 6: Final answer
    x = 5,498.41

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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.