Home / 8,917.02-12,305.58-4,938.24

Finding the Fourth Proportional to 8,917.02, 12,305.58 and 4,938.24

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Solution

The fourth proportional to 8,917.02, 12,305.58 and 4,938.24 is: 6,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.02 : 12,305.58 = 4,938.24 : x
  2. Step 2: Convert to fraction form
    8,917.02/12,305.58 = 4,938.24/x
  3. Step 3: Cross multiply
    8,917.02x = 12,305.58 × 4,938.24
  4. Step 4: Simplify right side
    8,917.02x = 60,767,907.38
  5. Step 5: Solve for x
    x = 60,767,907.38/8,917.02
  6. Step 6: Final answer
    x = 6,814.82

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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.