Home / 7,994.16-11,037.60-5,011.20

Finding the Fourth Proportional to 7,994.16, 11,037.60 and 5,011.20

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Solution

The fourth proportional to 7,994.16, 11,037.60 and 5,011.20 is: 6,919.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.16 : 11,037.60 = 5,011.20 : x
  2. Step 2: Convert to fraction form
    7,994.16/11,037.60 = 5,011.20/x
  3. Step 3: Cross multiply
    7,994.16x = 11,037.60 × 5,011.20
  4. Step 4: Simplify right side
    7,994.16x = 55,311,621.12
  5. Step 5: Solve for x
    x = 55,311,621.12/7,994.16
  6. Step 6: Final answer
    x = 6,919.00

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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.