Home / 6,470.07-9,707.57-2,577.21

Finding the Fourth Proportional to 6,470.07, 9,707.57 and 2,577.21

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Solution

The fourth proportional to 6,470.07, 9,707.57 and 2,577.21 is: 3,866.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.07 : 9,707.57 = 2,577.21 : x
  2. Step 2: Convert to fraction form
    6,470.07/9,707.57 = 2,577.21/x
  3. Step 3: Cross multiply
    6,470.07x = 9,707.57 × 2,577.21
  4. Step 4: Simplify right side
    6,470.07x = 25,018,433.59
  5. Step 5: Solve for x
    x = 25,018,433.59/6,470.07
  6. Step 6: Final answer
    x = 3,866.79

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1.5x scale

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.