Home / 7,705.88-10,636.75-4,520.18

Finding the Fourth Proportional to 7,705.88, 10,636.75 and 4,520.18

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Solution

The fourth proportional to 7,705.88, 10,636.75 and 4,520.18 is: 6,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.88 : 10,636.75 = 4,520.18 : x
  2. Step 2: Convert to fraction form
    7,705.88/10,636.75 = 4,520.18/x
  3. Step 3: Cross multiply
    7,705.88x = 10,636.75 × 4,520.18
  4. Step 4: Simplify right side
    7,705.88x = 48,080,056.86
  5. Step 5: Solve for x
    x = 48,080,056.86/7,705.88
  6. Step 6: Final answer
    x = 6,239.40

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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.