Home / 7,994.32-11,039.13-5,015.28

Finding the Fourth Proportional to 7,994.32, 11,039.13 and 5,015.28

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Solution

The fourth proportional to 7,994.32, 11,039.13 and 5,015.28 is: 6,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.32 : 11,039.13 = 5,015.28 : x
  2. Step 2: Convert to fraction form
    7,994.32/11,039.13 = 5,015.28/x
  3. Step 3: Cross multiply
    7,994.32x = 11,039.13 × 5,015.28
  4. Step 4: Simplify right side
    7,994.32x = 55,364,247.63
  5. Step 5: Solve for x
    x = 55,364,247.63/7,994.32
  6. Step 6: Final answer
    x = 6,925.45

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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.