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Finding the Fourth Proportional to 7,614.60, 11,424.06 and 4,615.98

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Solution

The fourth proportional to 7,614.60, 11,424.06 and 4,615.98 is: 6,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.60 : 11,424.06 = 4,615.98 : x
  2. Step 2: Convert to fraction form
    7,614.60/11,424.06 = 4,615.98/x
  3. Step 3: Cross multiply
    7,614.60x = 11,424.06 × 4,615.98
  4. Step 4: Simplify right side
    7,614.60x = 52,733,232.48
  5. Step 5: Solve for x
    x = 52,733,232.48/7,614.60
  6. Step 6: Final answer
    x = 6,925.28

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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.