Home / 7,113.04-9,811.56-5,120.44

Finding the Fourth Proportional to 7,113.04, 9,811.56 and 5,120.44

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Solution

The fourth proportional to 7,113.04, 9,811.56 and 5,120.44 is: 7,063.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.04 : 9,811.56 = 5,120.44 : x
  2. Step 2: Convert to fraction form
    7,113.04/9,811.56 = 5,120.44/x
  3. Step 3: Cross multiply
    7,113.04x = 9,811.56 × 5,120.44
  4. Step 4: Simplify right side
    7,113.04x = 50,239,504.29
  5. Step 5: Solve for x
    x = 50,239,504.29/7,113.04
  6. Step 6: Final answer
    x = 7,063.01

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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.