Home / 7,555.46-10,427.81-4,865.90

Finding the Fourth Proportional to 7,555.46, 10,427.81 and 4,865.90

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Solution

The fourth proportional to 7,555.46, 10,427.81 and 4,865.90 is: 6,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.46 : 10,427.81 = 4,865.90 : x
  2. Step 2: Convert to fraction form
    7,555.46/10,427.81 = 4,865.90/x
  3. Step 3: Cross multiply
    7,555.46x = 10,427.81 × 4,865.90
  4. Step 4: Simplify right side
    7,555.46x = 50,740,604.21
  5. Step 5: Solve for x
    x = 50,740,604.21/7,555.46
  6. Step 6: Final answer
    x = 6,715.76

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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.