Home / 6,107.63-8,428.52-3,313.13

Finding the Fourth Proportional to 6,107.63, 8,428.52 and 3,313.13

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Solution

The fourth proportional to 6,107.63, 8,428.52 and 3,313.13 is: 4,572.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.63 : 8,428.52 = 3,313.13 : x
  2. Step 2: Convert to fraction form
    6,107.63/8,428.52 = 3,313.13/x
  3. Step 3: Cross multiply
    6,107.63x = 8,428.52 × 3,313.13
  4. Step 4: Simplify right side
    6,107.63x = 27,924,748.61
  5. Step 5: Solve for x
    x = 27,924,748.61/6,107.63
  6. Step 6: Final answer
    x = 4,572.11

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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.