Home / 7,953.20-11,925.96-2,405.60

Finding the Fourth Proportional to 7,953.20, 11,925.96 and 2,405.60

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Solution

The fourth proportional to 7,953.20, 11,925.96 and 2,405.60 is: 3,607.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.20 : 11,925.96 = 2,405.60 : x
  2. Step 2: Convert to fraction form
    7,953.20/11,925.96 = 2,405.60/x
  3. Step 3: Cross multiply
    7,953.20x = 11,925.96 × 2,405.60
  4. Step 4: Simplify right side
    7,953.20x = 28,689,089.38
  5. Step 5: Solve for x
    x = 28,689,089.38/7,953.20
  6. Step 6: Final answer
    x = 3,607.24

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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.