Home / 6,470.64-9,707.78-2,088.45

Finding the Fourth Proportional to 6,470.64, 9,707.78 and 2,088.45

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Solution

The fourth proportional to 6,470.64, 9,707.78 and 2,088.45 is: 3,133.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.64 : 9,707.78 = 2,088.45 : x
  2. Step 2: Convert to fraction form
    6,470.64/9,707.78 = 2,088.45/x
  3. Step 3: Cross multiply
    6,470.64x = 9,707.78 × 2,088.45
  4. Step 4: Simplify right side
    6,470.64x = 20,274,218.36
  5. Step 5: Solve for x
    x = 20,274,218.36/6,470.64
  6. Step 6: Final answer
    x = 3,133.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.