Home / 7,351.16-11,026.94-2,421.12

Finding the Fourth Proportional to 7,351.16, 11,026.94 and 2,421.12

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Solution

The fourth proportional to 7,351.16, 11,026.94 and 2,421.12 is: 3,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.16 : 11,026.94 = 2,421.12 : x
  2. Step 2: Convert to fraction form
    7,351.16/11,026.94 = 2,421.12/x
  3. Step 3: Cross multiply
    7,351.16x = 11,026.94 × 2,421.12
  4. Step 4: Simplify right side
    7,351.16x = 26,697,574.22
  5. Step 5: Solve for x
    x = 26,697,574.22/7,351.16
  6. Step 6: Final answer
    x = 3,631.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.