Home / 8,928.58-12,307.80-6,268.54

Finding the Fourth Proportional to 8,928.58, 12,307.80 and 6,268.54

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Solution

The fourth proportional to 8,928.58, 12,307.80 and 6,268.54 is: 8,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.58 : 12,307.80 = 6,268.54 : x
  2. Step 2: Convert to fraction form
    8,928.58/12,307.80 = 6,268.54/x
  3. Step 3: Cross multiply
    8,928.58x = 12,307.80 × 6,268.54
  4. Step 4: Simplify right side
    8,928.58x = 77,151,936.61
  5. Step 5: Solve for x
    x = 77,151,936.61/8,928.58
  6. Step 6: Final answer
    x = 8,641.01

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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.