Home / 7,938.61-10,955.79-4,581.56

Finding the Fourth Proportional to 7,938.61, 10,955.79 and 4,581.56

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Solution

The fourth proportional to 7,938.61, 10,955.79 and 4,581.56 is: 6,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.61 : 10,955.79 = 4,581.56 : x
  2. Step 2: Convert to fraction form
    7,938.61/10,955.79 = 4,581.56/x
  3. Step 3: Cross multiply
    7,938.61x = 10,955.79 × 4,581.56
  4. Step 4: Simplify right side
    7,938.61x = 50,194,636.62
  5. Step 5: Solve for x
    x = 50,194,636.62/7,938.61
  6. Step 6: Final answer
    x = 6,322.85

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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.