Home / 7,199.10-9,935.40-4,055.22

Finding the Fourth Proportional to 7,199.10, 9,935.40 and 4,055.22

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Solution

The fourth proportional to 7,199.10, 9,935.40 and 4,055.22 is: 5,596.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.10 : 9,935.40 = 4,055.22 : x
  2. Step 2: Convert to fraction form
    7,199.10/9,935.40 = 4,055.22/x
  3. Step 3: Cross multiply
    7,199.10x = 9,935.40 × 4,055.22
  4. Step 4: Simplify right side
    7,199.10x = 40,290,232.79
  5. Step 5: Solve for x
    x = 40,290,232.79/7,199.10
  6. Step 6: Final answer
    x = 5,596.57

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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.