Home / 4,677.42-7,019.22-2,487.72

Finding the Fourth Proportional to 4,677.42, 7,019.22 and 2,487.72

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Solution

The fourth proportional to 4,677.42, 7,019.22 and 2,487.72 is: 3,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.42 : 7,019.22 = 2,487.72 : x
  2. Step 2: Convert to fraction form
    4,677.42/7,019.22 = 2,487.72/x
  3. Step 3: Cross multiply
    4,677.42x = 7,019.22 × 2,487.72
  4. Step 4: Simplify right side
    4,677.42x = 17,461,853.98
  5. Step 5: Solve for x
    x = 17,461,853.98/4,677.42
  6. Step 6: Final answer
    x = 3,733.22

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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.