Home / 8,636.29-12,955.65-3,088.47

Finding the Fourth Proportional to 8,636.29, 12,955.65 and 3,088.47

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Solution

The fourth proportional to 8,636.29, 12,955.65 and 3,088.47 is: 4,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.29 : 12,955.65 = 3,088.47 : x
  2. Step 2: Convert to fraction form
    8,636.29/12,955.65 = 3,088.47/x
  3. Step 3: Cross multiply
    8,636.29x = 12,955.65 × 3,088.47
  4. Step 4: Simplify right side
    8,636.29x = 40,013,136.36
  5. Step 5: Solve for x
    x = 40,013,136.36/8,636.29
  6. Step 6: Final answer
    x = 4,633.14

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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.