Home / 7,849.64-10,829.37-4,491.80

Finding the Fourth Proportional to 7,849.64, 10,829.37 and 4,491.80

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Solution

The fourth proportional to 7,849.64, 10,829.37 and 4,491.80 is: 6,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.64 : 10,829.37 = 4,491.80 : x
  2. Step 2: Convert to fraction form
    7,849.64/10,829.37 = 4,491.80/x
  3. Step 3: Cross multiply
    7,849.64x = 10,829.37 × 4,491.80
  4. Step 4: Simplify right side
    7,849.64x = 48,643,364.17
  5. Step 5: Solve for x
    x = 48,643,364.17/7,849.64
  6. Step 6: Final answer
    x = 6,196.89

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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.