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Finding the Fourth Proportional to 6,365.04, 8,795.16 and 4,978.32

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Solution

The fourth proportional to 6,365.04, 8,795.16 and 4,978.32 is: 6,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.04 : 8,795.16 = 4,978.32 : x
  2. Step 2: Convert to fraction form
    6,365.04/8,795.16 = 4,978.32/x
  3. Step 3: Cross multiply
    6,365.04x = 8,795.16 × 4,978.32
  4. Step 4: Simplify right side
    6,365.04x = 43,785,120.93
  5. Step 5: Solve for x
    x = 43,785,120.93/6,365.04
  6. Step 6: Final answer
    x = 6,879.00

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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.