Home / 6,113.63-8,436.81-3,319.13

Finding the Fourth Proportional to 6,113.63, 8,436.81 and 3,319.13

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Solution

The fourth proportional to 6,113.63, 8,436.81 and 3,319.13 is: 4,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.63 : 8,436.81 = 3,319.13 : x
  2. Step 2: Convert to fraction form
    6,113.63/8,436.81 = 3,319.13/x
  3. Step 3: Cross multiply
    6,113.63x = 8,436.81 × 3,319.13
  4. Step 4: Simplify right side
    6,113.63x = 28,002,826.99
  5. Step 5: Solve for x
    x = 28,002,826.99/6,113.63
  6. Step 6: Final answer
    x = 4,580.40

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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.