Home / 4,651.02-6,419.86-2,976.90

Finding the Fourth Proportional to 4,651.02, 6,419.86 and 2,976.90

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Solution

The fourth proportional to 4,651.02, 6,419.86 and 2,976.90 is: 4,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.02 : 6,419.86 = 2,976.90 : x
  2. Step 2: Convert to fraction form
    4,651.02/6,419.86 = 2,976.90/x
  3. Step 3: Cross multiply
    4,651.02x = 6,419.86 × 2,976.90
  4. Step 4: Simplify right side
    4,651.02x = 19,111,285.83
  5. Step 5: Solve for x
    x = 19,111,285.83/4,651.02
  6. Step 6: Final answer
    x = 4,109.05

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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.