Home / 8,980.16-13,470.23-4,051.21

Finding the Fourth Proportional to 8,980.16, 13,470.23 and 4,051.21

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Solution

The fourth proportional to 8,980.16, 13,470.23 and 4,051.21 is: 6,076.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.16 : 13,470.23 = 4,051.21 : x
  2. Step 2: Convert to fraction form
    8,980.16/13,470.23 = 4,051.21/x
  3. Step 3: Cross multiply
    8,980.16x = 13,470.23 × 4,051.21
  4. Step 4: Simplify right side
    8,980.16x = 54,570,663.13
  5. Step 5: Solve for x
    x = 54,570,663.13/8,980.16
  6. Step 6: Final answer
    x = 6,076.81

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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.