Home / 8,636.04-12,955.28-3,088.22

Finding the Fourth Proportional to 8,636.04, 12,955.28 and 3,088.22

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Solution

The fourth proportional to 8,636.04, 12,955.28 and 3,088.22 is: 4,632.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.04 : 12,955.28 = 3,088.22 : x
  2. Step 2: Convert to fraction form
    8,636.04/12,955.28 = 3,088.22/x
  3. Step 3: Cross multiply
    8,636.04x = 12,955.28 × 3,088.22
  4. Step 4: Simplify right side
    8,636.04x = 40,008,674.58
  5. Step 5: Solve for x
    x = 40,008,674.58/8,636.04
  6. Step 6: Final answer
    x = 4,632.76

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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.