Home / 4,739.08-6,539.28-2,642.80

Finding the Fourth Proportional to 4,739.08, 6,539.28 and 2,642.80

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Solution

The fourth proportional to 4,739.08, 6,539.28 and 2,642.80 is: 3,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.08 : 6,539.28 = 2,642.80 : x
  2. Step 2: Convert to fraction form
    4,739.08/6,539.28 = 2,642.80/x
  3. Step 3: Cross multiply
    4,739.08x = 6,539.28 × 2,642.80
  4. Step 4: Simplify right side
    4,739.08x = 17,282,009.18
  5. Step 5: Solve for x
    x = 17,282,009.18/4,739.08
  6. Step 6: Final answer
    x = 3,646.70

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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.