Home / 6,400.63-8,832.93-3,606.13

Finding the Fourth Proportional to 6,400.63, 8,832.93 and 3,606.13

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Solution

The fourth proportional to 6,400.63, 8,832.93 and 3,606.13 is: 4,976.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.63 : 8,832.93 = 3,606.13 : x
  2. Step 2: Convert to fraction form
    6,400.63/8,832.93 = 3,606.13/x
  3. Step 3: Cross multiply
    6,400.63x = 8,832.93 × 3,606.13
  4. Step 4: Simplify right side
    6,400.63x = 31,852,693.86
  5. Step 5: Solve for x
    x = 31,852,693.86/6,400.63
  6. Step 6: Final answer
    x = 4,976.49

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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.