Home / 6,747-9,312.12-3,952.50

Finding the Fourth Proportional to 6,747, 9,312.12 and 3,952.50

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Solution

The fourth proportional to 6,747, 9,312.12 and 3,952.50 is: 5,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747 : 9,312.12 = 3,952.50 : x
  2. Step 2: Convert to fraction form
    6,747/9,312.12 = 3,952.50/x
  3. Step 3: Cross multiply
    6,747x = 9,312.12 × 3,952.50
  4. Step 4: Simplify right side
    6,747x = 36,806,154.30
  5. Step 5: Solve for x
    x = 36,806,154.30/6,747
  6. Step 6: Final answer
    x = 5,455.19

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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.