Home / 7,623.28-10,523.64-5,386.96

Finding the Fourth Proportional to 7,623.28, 10,523.64 and 5,386.96

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Solution

The fourth proportional to 7,623.28, 10,523.64 and 5,386.96 is: 7,436.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.28 : 10,523.64 = 5,386.96 : x
  2. Step 2: Convert to fraction form
    7,623.28/10,523.64 = 5,386.96/x
  3. Step 3: Cross multiply
    7,623.28x = 10,523.64 × 5,386.96
  4. Step 4: Simplify right side
    7,623.28x = 56,690,427.73
  5. Step 5: Solve for x
    x = 56,690,427.73/7,623.28
  6. Step 6: Final answer
    x = 7,436.49

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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.