Home / 4,409.12-6,613.47-1,487.40

Finding the Fourth Proportional to 4,409.12, 6,613.47 and 1,487.40

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Solution

The fourth proportional to 4,409.12, 6,613.47 and 1,487.40 is: 2,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.12 : 6,613.47 = 1,487.40 : x
  2. Step 2: Convert to fraction form
    4,409.12/6,613.47 = 1,487.40/x
  3. Step 3: Cross multiply
    4,409.12x = 6,613.47 × 1,487.40
  4. Step 4: Simplify right side
    4,409.12x = 9,836,875.28
  5. Step 5: Solve for x
    x = 9,836,875.28/4,409.12
  6. Step 6: Final answer
    x = 2,231.03

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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.