Home / 7,453.03-11,155.21-5,478.14

Finding the Fourth Proportional to 7,453.03, 11,155.21 and 5,478.14

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Solution

The fourth proportional to 7,453.03, 11,155.21 and 5,478.14 is: 8,199.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.03 : 11,155.21 = 5,478.14 : x
  2. Step 2: Convert to fraction form
    7,453.03/11,155.21 = 5,478.14/x
  3. Step 3: Cross multiply
    7,453.03x = 11,155.21 × 5,478.14
  4. Step 4: Simplify right side
    7,453.03x = 61,109,730.16
  5. Step 5: Solve for x
    x = 61,109,730.16/7,453.03
  6. Step 6: Final answer
    x = 8,199.31

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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.