Home / 7,455.20-11,170.48-5,259.28

Finding the Fourth Proportional to 7,455.20, 11,170.48 and 5,259.28

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Solution

The fourth proportional to 7,455.20, 11,170.48 and 5,259.28 is: 7,880.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.20 : 11,170.48 = 5,259.28 : x
  2. Step 2: Convert to fraction form
    7,455.20/11,170.48 = 5,259.28/x
  3. Step 3: Cross multiply
    7,455.20x = 11,170.48 × 5,259.28
  4. Step 4: Simplify right side
    7,455.20x = 58,748,682.05
  5. Step 5: Solve for x
    x = 58,748,682.05/7,455.20
  6. Step 6: Final answer
    x = 7,880.23

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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.