Home / 7,210.22-9,950.18-4,066.40

Finding the Fourth Proportional to 7,210.22, 9,950.18 and 4,066.40

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Solution

The fourth proportional to 7,210.22, 9,950.18 and 4,066.40 is: 5,611.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.22 : 9,950.18 = 4,066.40 : x
  2. Step 2: Convert to fraction form
    7,210.22/9,950.18 = 4,066.40/x
  3. Step 3: Cross multiply
    7,210.22x = 9,950.18 × 4,066.40
  4. Step 4: Simplify right side
    7,210.22x = 40,461,416.50
  5. Step 5: Solve for x
    x = 40,461,416.50/7,210.22
  6. Step 6: Final answer
    x = 5,611.68

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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.