Home / 7,941.40-10,959.20-4,404.68

Finding the Fourth Proportional to 7,941.40, 10,959.20 and 4,404.68

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Solution

The fourth proportional to 7,941.40, 10,959.20 and 4,404.68 is: 6,078.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.40 : 10,959.20 = 4,404.68 : x
  2. Step 2: Convert to fraction form
    7,941.40/10,959.20 = 4,404.68/x
  3. Step 3: Cross multiply
    7,941.40x = 10,959.20 × 4,404.68
  4. Step 4: Simplify right side
    7,941.40x = 48,271,769.06
  5. Step 5: Solve for x
    x = 48,271,769.06/7,941.40
  6. Step 6: Final answer
    x = 6,078.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.