Home / 7,256.46-10,885.65-3,558.81

Finding the Fourth Proportional to 7,256.46, 10,885.65 and 3,558.81

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Solution

The fourth proportional to 7,256.46, 10,885.65 and 3,558.81 is: 5,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.46 : 10,885.65 = 3,558.81 : x
  2. Step 2: Convert to fraction form
    7,256.46/10,885.65 = 3,558.81/x
  3. Step 3: Cross multiply
    7,256.46x = 10,885.65 × 3,558.81
  4. Step 4: Simplify right side
    7,256.46x = 38,739,960.08
  5. Step 5: Solve for x
    x = 38,739,960.08/7,256.46
  6. Step 6: Final answer
    x = 5,338.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.