Home / 6,648.02-9,164.43-4,257.65

Finding the Fourth Proportional to 6,648.02, 9,164.43 and 4,257.65

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Solution

The fourth proportional to 6,648.02, 9,164.43 and 4,257.65 is: 5,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.02 : 9,164.43 = 4,257.65 : x
  2. Step 2: Convert to fraction form
    6,648.02/9,164.43 = 4,257.65/x
  3. Step 3: Cross multiply
    6,648.02x = 9,164.43 × 4,257.65
  4. Step 4: Simplify right side
    6,648.02x = 39,018,889.57
  5. Step 5: Solve for x
    x = 39,018,889.57/6,648.02
  6. Step 6: Final answer
    x = 5,869.25

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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.