Home / 7,353.61-11,028.06-2,421.92

Finding the Fourth Proportional to 7,353.61, 11,028.06 and 2,421.92

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Solution

The fourth proportional to 7,353.61, 11,028.06 and 2,421.92 is: 3,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.61 : 11,028.06 = 2,421.92 : x
  2. Step 2: Convert to fraction form
    7,353.61/11,028.06 = 2,421.92/x
  3. Step 3: Cross multiply
    7,353.61x = 11,028.06 × 2,421.92
  4. Step 4: Simplify right side
    7,353.61x = 26,709,079.08
  5. Step 5: Solve for x
    x = 26,709,079.08/7,353.61
  6. Step 6: Final answer
    x = 3,632.10

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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.