Home / 4,670.08-6,447.02-3,077.75

Finding the Fourth Proportional to 4,670.08, 6,447.02 and 3,077.75

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Solution

The fourth proportional to 4,670.08, 6,447.02 and 3,077.75 is: 4,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.08 : 6,447.02 = 3,077.75 : x
  2. Step 2: Convert to fraction form
    4,670.08/6,447.02 = 3,077.75/x
  3. Step 3: Cross multiply
    4,670.08x = 6,447.02 × 3,077.75
  4. Step 4: Simplify right side
    4,670.08x = 19,842,288.93
  5. Step 5: Solve for x
    x = 19,842,288.93/4,670.08
  6. Step 6: Final answer
    x = 4,248.81

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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.