Home / 7,509.60-11,263.92-3,125.76

Finding the Fourth Proportional to 7,509.60, 11,263.92 and 3,125.76

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Solution

The fourth proportional to 7,509.60, 11,263.92 and 3,125.76 is: 4,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.60 : 11,263.92 = 3,125.76 : x
  2. Step 2: Convert to fraction form
    7,509.60/11,263.92 = 3,125.76/x
  3. Step 3: Cross multiply
    7,509.60x = 11,263.92 × 3,125.76
  4. Step 4: Simplify right side
    7,509.60x = 35,208,310.58
  5. Step 5: Solve for x
    x = 35,208,310.58/7,509.60
  6. Step 6: Final answer
    x = 4,688.44

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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.