Home / 7,931.64-10,942.92-4,945.44

Finding the Fourth Proportional to 7,931.64, 10,942.92 and 4,945.44

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Solution

The fourth proportional to 7,931.64, 10,942.92 and 4,945.44 is: 6,823.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.64 : 10,942.92 = 4,945.44 : x
  2. Step 2: Convert to fraction form
    7,931.64/10,942.92 = 4,945.44/x
  3. Step 3: Cross multiply
    7,931.64x = 10,942.92 × 4,945.44
  4. Step 4: Simplify right side
    7,931.64x = 54,117,554.28
  5. Step 5: Solve for x
    x = 54,117,554.28/7,931.64
  6. Step 6: Final answer
    x = 6,823.00

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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.