Home / 7,210.12-9,950.16-4,066.24

Finding the Fourth Proportional to 7,210.12, 9,950.16 and 4,066.24

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Solution

The fourth proportional to 7,210.12, 9,950.16 and 4,066.24 is: 5,611.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.12 : 9,950.16 = 4,066.24 : x
  2. Step 2: Convert to fraction form
    7,210.12/9,950.16 = 4,066.24/x
  3. Step 3: Cross multiply
    7,210.12x = 9,950.16 × 4,066.24
  4. Step 4: Simplify right side
    7,210.12x = 40,459,738.60
  5. Step 5: Solve for x
    x = 40,459,738.60/7,210.12
  6. Step 6: Final answer
    x = 5,611.52

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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.