Home / 6,239.80-8,612.58-3,587.50

Finding the Fourth Proportional to 6,239.80, 8,612.58 and 3,587.50

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Solution

The fourth proportional to 6,239.80, 8,612.58 and 3,587.50 is: 4,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.80 : 8,612.58 = 3,587.50 : x
  2. Step 2: Convert to fraction form
    6,239.80/8,612.58 = 3,587.50/x
  3. Step 3: Cross multiply
    6,239.80x = 8,612.58 × 3,587.50
  4. Step 4: Simplify right side
    6,239.80x = 30,897,630.75
  5. Step 5: Solve for x
    x = 30,897,630.75/6,239.80
  6. Step 6: Final answer
    x = 4,951.70

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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.