Home / 6,474.02-8,934.64-3,641.72

Finding the Fourth Proportional to 6,474.02, 8,934.64 and 3,641.72

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Solution

The fourth proportional to 6,474.02, 8,934.64 and 3,641.72 is: 5,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474.02 : 8,934.64 = 3,641.72 : x
  2. Step 2: Convert to fraction form
    6,474.02/8,934.64 = 3,641.72/x
  3. Step 3: Cross multiply
    6,474.02x = 8,934.64 × 3,641.72
  4. Step 4: Simplify right side
    6,474.02x = 32,537,457.18
  5. Step 5: Solve for x
    x = 32,537,457.18/6,474.02
  6. Step 6: Final answer
    x = 5,025.85

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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.