Home / 5,453.10-7,516.53-4,272.12

Finding the Fourth Proportional to 5,453.10, 7,516.53 and 4,272.12

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Solution

The fourth proportional to 5,453.10, 7,516.53 and 4,272.12 is: 5,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.10 : 7,516.53 = 4,272.12 : x
  2. Step 2: Convert to fraction form
    5,453.10/7,516.53 = 4,272.12/x
  3. Step 3: Cross multiply
    5,453.10x = 7,516.53 × 4,272.12
  4. Step 4: Simplify right side
    5,453.10x = 32,111,518.14
  5. Step 5: Solve for x
    x = 32,111,518.14/5,453.10
  6. Step 6: Final answer
    x = 5,888.67

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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.