Home / 8,869.96-12,240.63-4,891.23

Finding the Fourth Proportional to 8,869.96, 12,240.63 and 4,891.23

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Solution

The fourth proportional to 8,869.96, 12,240.63 and 4,891.23 is: 6,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.96 : 12,240.63 = 4,891.23 : x
  2. Step 2: Convert to fraction form
    8,869.96/12,240.63 = 4,891.23/x
  3. Step 3: Cross multiply
    8,869.96x = 12,240.63 × 4,891.23
  4. Step 4: Simplify right side
    8,869.96x = 59,871,736.67
  5. Step 5: Solve for x
    x = 59,871,736.67/8,869.96
  6. Step 6: Final answer
    x = 6,749.94

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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.