Home / 7,210.05-9,949.47-4,066.03

Finding the Fourth Proportional to 7,210.05, 9,949.47 and 4,066.03

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Solution

The fourth proportional to 7,210.05, 9,949.47 and 4,066.03 is: 5,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.05 : 9,949.47 = 4,066.03 : x
  2. Step 2: Convert to fraction form
    7,210.05/9,949.47 = 4,066.03/x
  3. Step 3: Cross multiply
    7,210.05x = 9,949.47 × 4,066.03
  4. Step 4: Simplify right side
    7,210.05x = 40,454,840.69
  5. Step 5: Solve for x
    x = 40,454,840.69/7,210.05
  6. Step 6: Final answer
    x = 5,610.90

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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.