Home / 7,616.84-11,426.72-2,421.68

Finding the Fourth Proportional to 7,616.84, 11,426.72 and 2,421.68

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Solution

The fourth proportional to 7,616.84, 11,426.72 and 2,421.68 is: 3,632.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.84 : 11,426.72 = 2,421.68 : x
  2. Step 2: Convert to fraction form
    7,616.84/11,426.72 = 2,421.68/x
  3. Step 3: Cross multiply
    7,616.84x = 11,426.72 × 2,421.68
  4. Step 4: Simplify right side
    7,616.84x = 27,671,859.29
  5. Step 5: Solve for x
    x = 27,671,859.29/7,616.84
  6. Step 6: Final answer
    x = 3,632.98

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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.