Home / 8,901.09-12,283.16-4,922.10

Finding the Fourth Proportional to 8,901.09, 12,283.16 and 4,922.10

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Solution

The fourth proportional to 8,901.09, 12,283.16 and 4,922.10 is: 6,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.09 : 12,283.16 = 4,922.10 : x
  2. Step 2: Convert to fraction form
    8,901.09/12,283.16 = 4,922.10/x
  3. Step 3: Cross multiply
    8,901.09x = 12,283.16 × 4,922.10
  4. Step 4: Simplify right side
    8,901.09x = 60,458,917.23
  5. Step 5: Solve for x
    x = 60,458,917.23/8,901.09
  6. Step 6: Final answer
    x = 6,792.30

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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.