Home / 7,637.02-10,539.38-4,279.86

Finding the Fourth Proportional to 7,637.02, 10,539.38 and 4,279.86

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Solution

The fourth proportional to 7,637.02, 10,539.38 and 4,279.86 is: 5,906.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.02 : 10,539.38 = 4,279.86 : x
  2. Step 2: Convert to fraction form
    7,637.02/10,539.38 = 4,279.86/x
  3. Step 3: Cross multiply
    7,637.02x = 10,539.38 × 4,279.86
  4. Step 4: Simplify right side
    7,637.02x = 45,107,081.59
  5. Step 5: Solve for x
    x = 45,107,081.59/7,637.02
  6. Step 6: Final answer
    x = 5,906.37

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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.