Home / 8,266.69-11,409.12-4,729.21

Finding the Fourth Proportional to 8,266.69, 11,409.12 and 4,729.21

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Solution

The fourth proportional to 8,266.69, 11,409.12 and 4,729.21 is: 6,526.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.69 : 11,409.12 = 4,729.21 : x
  2. Step 2: Convert to fraction form
    8,266.69/11,409.12 = 4,729.21/x
  3. Step 3: Cross multiply
    8,266.69x = 11,409.12 × 4,729.21
  4. Step 4: Simplify right side
    8,266.69x = 53,956,124.40
  5. Step 5: Solve for x
    x = 53,956,124.40/8,266.69
  6. Step 6: Final answer
    x = 6,526.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.