Home / 8,129.24-11,206.86-5,770.52

Finding the Fourth Proportional to 8,129.24, 11,206.86 and 5,770.52

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Solution

The fourth proportional to 8,129.24, 11,206.86 and 5,770.52 is: 7,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129.24 : 11,206.86 = 5,770.52 : x
  2. Step 2: Convert to fraction form
    8,129.24/11,206.86 = 5,770.52/x
  3. Step 3: Cross multiply
    8,129.24x = 11,206.86 × 5,770.52
  4. Step 4: Simplify right side
    8,129.24x = 64,669,409.77
  5. Step 5: Solve for x
    x = 64,669,409.77/8,129.24
  6. Step 6: Final answer
    x = 7,955.16

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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.