Home / 6,943.45-9,581.92-6,378.63

Finding the Fourth Proportional to 6,943.45, 9,581.92 and 6,378.63

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Solution

The fourth proportional to 6,943.45, 9,581.92 and 6,378.63 is: 8,802.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.45 : 9,581.92 = 6,378.63 : x
  2. Step 2: Convert to fraction form
    6,943.45/9,581.92 = 6,378.63/x
  3. Step 3: Cross multiply
    6,943.45x = 9,581.92 × 6,378.63
  4. Step 4: Simplify right side
    6,943.45x = 61,119,474.46
  5. Step 5: Solve for x
    x = 61,119,474.46/6,943.45
  6. Step 6: Final answer
    x = 8,802.46

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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.