Home / 8,124.28-12,186.26-2,577.62

Finding the Fourth Proportional to 8,124.28, 12,186.26 and 2,577.62

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Solution

The fourth proportional to 8,124.28, 12,186.26 and 2,577.62 is: 3,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.28 : 12,186.26 = 2,577.62 : x
  2. Step 2: Convert to fraction form
    8,124.28/12,186.26 = 2,577.62/x
  3. Step 3: Cross multiply
    8,124.28x = 12,186.26 × 2,577.62
  4. Step 4: Simplify right side
    8,124.28x = 31,411,547.50
  5. Step 5: Solve for x
    x = 31,411,547.50/8,124.28
  6. Step 6: Final answer
    x = 3,866.38

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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.