Home / 8,913.48-12,296.52-5,770.68

Finding the Fourth Proportional to 8,913.48, 12,296.52 and 5,770.68

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Solution

The fourth proportional to 8,913.48, 12,296.52 and 5,770.68 is: 7,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.48 : 12,296.52 = 5,770.68 : x
  2. Step 2: Convert to fraction form
    8,913.48/12,296.52 = 5,770.68/x
  3. Step 3: Cross multiply
    8,913.48x = 12,296.52 × 5,770.68
  4. Step 4: Simplify right side
    8,913.48x = 70,959,282.03
  5. Step 5: Solve for x
    x = 70,959,282.03/8,913.48
  6. Step 6: Final answer
    x = 7,960.90

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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.