Home / 4,772.15-6,591.88-3,978.07

Finding the Fourth Proportional to 4,772.15, 6,591.88 and 3,978.07

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Solution

The fourth proportional to 4,772.15, 6,591.88 and 3,978.07 is: 5,495.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.15 : 6,591.88 = 3,978.07 : x
  2. Step 2: Convert to fraction form
    4,772.15/6,591.88 = 3,978.07/x
  3. Step 3: Cross multiply
    4,772.15x = 6,591.88 × 3,978.07
  4. Step 4: Simplify right side
    4,772.15x = 26,222,940.18
  5. Step 5: Solve for x
    x = 26,222,940.18/4,772.15
  6. Step 6: Final answer
    x = 5,495.00

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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.