Home / 7,999.72-11,039.63-4,463.16

Finding the Fourth Proportional to 7,999.72, 11,039.63 and 4,463.16

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Solution

The fourth proportional to 7,999.72, 11,039.63 and 4,463.16 is: 6,159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.72 : 11,039.63 = 4,463.16 : x
  2. Step 2: Convert to fraction form
    7,999.72/11,039.63 = 4,463.16/x
  3. Step 3: Cross multiply
    7,999.72x = 11,039.63 × 4,463.16
  4. Step 4: Simplify right side
    7,999.72x = 49,271,635.03
  5. Step 5: Solve for x
    x = 49,271,635.03/7,999.72
  6. Step 6: Final answer
    x = 6,159.17

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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.