Home / 7,353.12-11,028.74-2,421.53

Finding the Fourth Proportional to 7,353.12, 11,028.74 and 2,421.53

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Solution

The fourth proportional to 7,353.12, 11,028.74 and 2,421.53 is: 3,631.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.12 : 11,028.74 = 2,421.53 : x
  2. Step 2: Convert to fraction form
    7,353.12/11,028.74 = 2,421.53/x
  3. Step 3: Cross multiply
    7,353.12x = 11,028.74 × 2,421.53
  4. Step 4: Simplify right side
    7,353.12x = 26,706,424.77
  5. Step 5: Solve for x
    x = 26,706,424.77/7,353.12
  6. Step 6: Final answer
    x = 3,631.99

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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.