Home / 8,975.32-12,385.62-4,996.60

Finding the Fourth Proportional to 8,975.32, 12,385.62 and 4,996.60

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Solution

The fourth proportional to 8,975.32, 12,385.62 and 4,996.60 is: 6,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.32 : 12,385.62 = 4,996.60 : x
  2. Step 2: Convert to fraction form
    8,975.32/12,385.62 = 4,996.60/x
  3. Step 3: Cross multiply
    8,975.32x = 12,385.62 × 4,996.60
  4. Step 4: Simplify right side
    8,975.32x = 61,885,988.89
  5. Step 5: Solve for x
    x = 61,885,988.89/8,975.32
  6. Step 6: Final answer
    x = 6,895.13

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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.