Home / 8,669.58-13,002.99-2,428.92

Finding the Fourth Proportional to 8,669.58, 13,002.99 and 2,428.92

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Solution

The fourth proportional to 8,669.58, 13,002.99 and 2,428.92 is: 3,642.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.58 : 13,002.99 = 2,428.92 : x
  2. Step 2: Convert to fraction form
    8,669.58/13,002.99 = 2,428.92/x
  3. Step 3: Cross multiply
    8,669.58x = 13,002.99 × 2,428.92
  4. Step 4: Simplify right side
    8,669.58x = 31,583,222.47
  5. Step 5: Solve for x
    x = 31,583,222.47/8,669.58
  6. Step 6: Final answer
    x = 3,642.99

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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.