Home / 4,739.02-6,539.60-2,642.74

Finding the Fourth Proportional to 4,739.02, 6,539.60 and 2,642.74

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Solution

The fourth proportional to 4,739.02, 6,539.60 and 2,642.74 is: 3,646.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.02 : 6,539.60 = 2,642.74 : x
  2. Step 2: Convert to fraction form
    4,739.02/6,539.60 = 2,642.74/x
  3. Step 3: Cross multiply
    4,739.02x = 6,539.60 × 2,642.74
  4. Step 4: Simplify right side
    4,739.02x = 17,282,462.50
  5. Step 5: Solve for x
    x = 17,282,462.50/4,739.02
  6. Step 6: Final answer
    x = 3,646.84

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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.