Home / 8,935.55-13,402.95-3,012.05

Finding the Fourth Proportional to 8,935.55, 13,402.95 and 3,012.05

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Solution

The fourth proportional to 8,935.55, 13,402.95 and 3,012.05 is: 4,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.55 : 13,402.95 = 3,012.05 : x
  2. Step 2: Convert to fraction form
    8,935.55/13,402.95 = 3,012.05/x
  3. Step 3: Cross multiply
    8,935.55x = 13,402.95 × 3,012.05
  4. Step 4: Simplify right side
    8,935.55x = 40,370,355.55
  5. Step 5: Solve for x
    x = 40,370,355.55/8,935.55
  6. Step 6: Final answer
    x = 4,517.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.