Home / 8,922.48-12,312.66-4,943.76

Finding the Fourth Proportional to 8,922.48, 12,312.66 and 4,943.76

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Solution

The fourth proportional to 8,922.48, 12,312.66 and 4,943.76 is: 6,822.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.48 : 12,312.66 = 4,943.76 : x
  2. Step 2: Convert to fraction form
    8,922.48/12,312.66 = 4,943.76/x
  3. Step 3: Cross multiply
    8,922.48x = 12,312.66 × 4,943.76
  4. Step 4: Simplify right side
    8,922.48x = 60,870,836.00
  5. Step 5: Solve for x
    x = 60,870,836.00/8,922.48
  6. Step 6: Final answer
    x = 6,822.19

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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.