Home / 4,972.08-6,861-2,875.92

Finding the Fourth Proportional to 4,972.08, 6,861 and 2,875.92

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Solution

The fourth proportional to 4,972.08, 6,861 and 2,875.92 is: 3,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.08 : 6,861 = 2,875.92 : x
  2. Step 2: Convert to fraction form
    4,972.08/6,861 = 2,875.92/x
  3. Step 3: Cross multiply
    4,972.08x = 6,861 × 2,875.92
  4. Step 4: Simplify right side
    4,972.08x = 19,731,687.12
  5. Step 5: Solve for x
    x = 19,731,687.12/4,972.08
  6. Step 6: Final answer
    x = 3,968.50

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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.