Home / 8,284.95-11,431.67-4,928.58

Finding the Fourth Proportional to 8,284.95, 11,431.67 and 4,928.58

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Solution

The fourth proportional to 8,284.95, 11,431.67 and 4,928.58 is: 6,800.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.95 : 11,431.67 = 4,928.58 : x
  2. Step 2: Convert to fraction form
    8,284.95/11,431.67 = 4,928.58/x
  3. Step 3: Cross multiply
    8,284.95x = 11,431.67 × 4,928.58
  4. Step 4: Simplify right side
    8,284.95x = 56,341,875.49
  5. Step 5: Solve for x
    x = 56,341,875.49/8,284.95
  6. Step 6: Final answer
    x = 6,800.51

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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.