Home / 8,922.84-12,312.36-4,943.76

Finding the Fourth Proportional to 8,922.84, 12,312.36 and 4,943.76

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Solution

The fourth proportional to 8,922.84, 12,312.36 and 4,943.76 is: 6,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.84 : 12,312.36 = 4,943.76 : x
  2. Step 2: Convert to fraction form
    8,922.84/12,312.36 = 4,943.76/x
  3. Step 3: Cross multiply
    8,922.84x = 12,312.36 × 4,943.76
  4. Step 4: Simplify right side
    8,922.84x = 60,869,352.87
  5. Step 5: Solve for x
    x = 60,869,352.87/8,922.84
  6. Step 6: Final answer
    x = 6,821.75

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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.