Home / 5,727.65-8,580.69-4,491.30

Finding the Fourth Proportional to 5,727.65, 8,580.69 and 4,491.30

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Solution

The fourth proportional to 5,727.65, 8,580.69 and 4,491.30 is: 6,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.65 : 8,580.69 = 4,491.30 : x
  2. Step 2: Convert to fraction form
    5,727.65/8,580.69 = 4,491.30/x
  3. Step 3: Cross multiply
    5,727.65x = 8,580.69 × 4,491.30
  4. Step 4: Simplify right side
    5,727.65x = 38,538,453.00
  5. Step 5: Solve for x
    x = 38,538,453.00/5,727.65
  6. Step 6: Final answer
    x = 6,728.50

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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.