Home / 7,637.34-10,539.97-4,279.99

Finding the Fourth Proportional to 7,637.34, 10,539.97 and 4,279.99

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Solution

The fourth proportional to 7,637.34, 10,539.97 and 4,279.99 is: 5,906.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.34 : 10,539.97 = 4,279.99 : x
  2. Step 2: Convert to fraction form
    7,637.34/10,539.97 = 4,279.99/x
  3. Step 3: Cross multiply
    7,637.34x = 10,539.97 × 4,279.99
  4. Step 4: Simplify right side
    7,637.34x = 45,110,972.99
  5. Step 5: Solve for x
    x = 45,110,972.99/7,637.34
  6. Step 6: Final answer
    x = 5,906.64

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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.