Home / 8,928.81-12,323.07-4,950.90

Finding the Fourth Proportional to 8,928.81, 12,323.07 and 4,950.90

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Solution

The fourth proportional to 8,928.81, 12,323.07 and 4,950.90 is: 6,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.81 : 12,323.07 = 4,950.90 : x
  2. Step 2: Convert to fraction form
    8,928.81/12,323.07 = 4,950.90/x
  3. Step 3: Cross multiply
    8,928.81x = 12,323.07 × 4,950.90
  4. Step 4: Simplify right side
    8,928.81x = 61,010,287.26
  5. Step 5: Solve for x
    x = 61,010,287.26/8,928.81
  6. Step 6: Final answer
    x = 6,832.97

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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.