Home / 6,255.42-8,631.50-3,602.40

Finding the Fourth Proportional to 6,255.42, 8,631.50 and 3,602.40

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Solution

The fourth proportional to 6,255.42, 8,631.50 and 3,602.40 is: 4,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.42 : 8,631.50 = 3,602.40 : x
  2. Step 2: Convert to fraction form
    6,255.42/8,631.50 = 3,602.40/x
  3. Step 3: Cross multiply
    6,255.42x = 8,631.50 × 3,602.40
  4. Step 4: Simplify right side
    6,255.42x = 31,094,115.60
  5. Step 5: Solve for x
    x = 31,094,115.60/6,255.42
  6. Step 6: Final answer
    x = 4,970.75

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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.