Home / 8,130.24-11,208.24-5,771.52

Finding the Fourth Proportional to 8,130.24, 11,208.24 and 5,771.52

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Solution

The fourth proportional to 8,130.24, 11,208.24 and 5,771.52 is: 7,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.24 : 11,208.24 = 5,771.52 : x
  2. Step 2: Convert to fraction form
    8,130.24/11,208.24 = 5,771.52/x
  3. Step 3: Cross multiply
    8,130.24x = 11,208.24 × 5,771.52
  4. Step 4: Simplify right side
    8,130.24x = 64,688,581.32
  5. Step 5: Solve for x
    x = 64,688,581.32/8,130.24
  6. Step 6: Final answer
    x = 7,956.54

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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.