Home / 6,943.45-9,585.08-4,428.90

Finding the Fourth Proportional to 6,943.45, 9,585.08 and 4,428.90

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Solution

The fourth proportional to 6,943.45, 9,585.08 and 4,428.90 is: 6,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.45 : 9,585.08 = 4,428.90 : x
  2. Step 2: Convert to fraction form
    6,943.45/9,585.08 = 4,428.90/x
  3. Step 3: Cross multiply
    6,943.45x = 9,585.08 × 4,428.90
  4. Step 4: Simplify right side
    6,943.45x = 42,451,360.81
  5. Step 5: Solve for x
    x = 42,451,360.81/6,943.45
  6. Step 6: Final answer
    x = 6,113.87

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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.