Home / 8,284.45-12,417.66-4,127.53

Finding the Fourth Proportional to 8,284.45, 12,417.66 and 4,127.53

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Solution

The fourth proportional to 8,284.45, 12,417.66 and 4,127.53 is: 6,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.45 : 12,417.66 = 4,127.53 : x
  2. Step 2: Convert to fraction form
    8,284.45/12,417.66 = 4,127.53/x
  3. Step 3: Cross multiply
    8,284.45x = 12,417.66 × 4,127.53
  4. Step 4: Simplify right side
    8,284.45x = 51,254,233.14
  5. Step 5: Solve for x
    x = 51,254,233.14/8,284.45
  6. Step 6: Final answer
    x = 6,186.80

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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.