Home / 4,972.65-6,861.60-2,847.93

Finding the Fourth Proportional to 4,972.65, 6,861.60 and 2,847.93

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Solution

The fourth proportional to 4,972.65, 6,861.60 and 2,847.93 is: 3,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.65 : 6,861.60 = 2,847.93 : x
  2. Step 2: Convert to fraction form
    4,972.65/6,861.60 = 2,847.93/x
  3. Step 3: Cross multiply
    4,972.65x = 6,861.60 × 2,847.93
  4. Step 4: Simplify right side
    4,972.65x = 19,541,356.49
  5. Step 5: Solve for x
    x = 19,541,356.49/4,972.65
  6. Step 6: Final answer
    x = 3,929.77

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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.