Home / 8,923.80-12,314.54-4,945.08

Finding the Fourth Proportional to 8,923.80, 12,314.54 and 4,945.08

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Solution

The fourth proportional to 8,923.80, 12,314.54 and 4,945.08 is: 6,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.80 : 12,314.54 = 4,945.08 : x
  2. Step 2: Convert to fraction form
    8,923.80/12,314.54 = 4,945.08/x
  3. Step 3: Cross multiply
    8,923.80x = 12,314.54 × 4,945.08
  4. Step 4: Simplify right side
    8,923.80x = 60,896,385.46
  5. Step 5: Solve for x
    x = 60,896,385.46/8,923.80
  6. Step 6: Final answer
    x = 6,824.04

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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.