Home / 4,409.48-6,615.08-1,289.51

Finding the Fourth Proportional to 4,409.48, 6,615.08 and 1,289.51

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Solution

The fourth proportional to 4,409.48, 6,615.08 and 1,289.51 is: 1,934.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.48 : 6,615.08 = 1,289.51 : x
  2. Step 2: Convert to fraction form
    4,409.48/6,615.08 = 1,289.51/x
  3. Step 3: Cross multiply
    4,409.48x = 6,615.08 × 1,289.51
  4. Step 4: Simplify right side
    4,409.48x = 8,530,172.29
  5. Step 5: Solve for x
    x = 8,530,172.29/4,409.48
  6. Step 6: Final answer
    x = 1,934.51

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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.