Home / 7,399.21-10,210.85-4,042.02

Finding the Fourth Proportional to 7,399.21, 10,210.85 and 4,042.02

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Solution

The fourth proportional to 7,399.21, 10,210.85 and 4,042.02 is: 5,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.21 : 10,210.85 = 4,042.02 : x
  2. Step 2: Convert to fraction form
    7,399.21/10,210.85 = 4,042.02/x
  3. Step 3: Cross multiply
    7,399.21x = 10,210.85 × 4,042.02
  4. Step 4: Simplify right side
    7,399.21x = 41,272,459.92
  5. Step 5: Solve for x
    x = 41,272,459.92/7,399.21
  6. Step 6: Final answer
    x = 5,577.95

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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.