Home / 6,529.06-9,005.34-4,139.76

Finding the Fourth Proportional to 6,529.06, 9,005.34 and 4,139.76

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Solution

The fourth proportional to 6,529.06, 9,005.34 and 4,139.76 is: 5,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,529.06 : 9,005.34 = 4,139.76 : x
  2. Step 2: Convert to fraction form
    6,529.06/9,005.34 = 4,139.76/x
  3. Step 3: Cross multiply
    6,529.06x = 9,005.34 × 4,139.76
  4. Step 4: Simplify right side
    6,529.06x = 37,279,946.32
  5. Step 5: Solve for x
    x = 37,279,946.32/6,529.06
  6. Step 6: Final answer
    x = 5,709.85

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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.