Home / 6,254.46-8,631.08-3,421.80

Finding the Fourth Proportional to 6,254.46, 8,631.08 and 3,421.80

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Solution

The fourth proportional to 6,254.46, 8,631.08 and 3,421.80 is: 4,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.46 : 8,631.08 = 3,421.80 : x
  2. Step 2: Convert to fraction form
    6,254.46/8,631.08 = 3,421.80/x
  3. Step 3: Cross multiply
    6,254.46x = 8,631.08 × 3,421.80
  4. Step 4: Simplify right side
    6,254.46x = 29,533,838.10
  5. Step 5: Solve for x
    x = 29,533,838.10/6,254.46
  6. Step 6: Final answer
    x = 4,722.05

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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.