Home / 7,562.46-11,342.19-7,187.40

Finding the Fourth Proportional to 7,562.46, 11,342.19 and 7,187.40

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Solution

The fourth proportional to 7,562.46, 11,342.19 and 7,187.40 is: 10,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,562.46 : 11,342.19 = 7,187.40 : x
  2. Step 2: Convert to fraction form
    7,562.46/11,342.19 = 7,187.40/x
  3. Step 3: Cross multiply
    7,562.46x = 11,342.19 × 7,187.40
  4. Step 4: Simplify right side
    7,562.46x = 81,520,883.36
  5. Step 5: Solve for x
    x = 81,520,883.36/7,562.46
  6. Step 6: Final answer
    x = 10,779.67

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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.