Home / 4,666.86-6,439.68-2,571.12

Finding the Fourth Proportional to 4,666.86, 6,439.68 and 2,571.12

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Solution

The fourth proportional to 4,666.86, 6,439.68 and 2,571.12 is: 3,547.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.86 : 6,439.68 = 2,571.12 : x
  2. Step 2: Convert to fraction form
    4,666.86/6,439.68 = 2,571.12/x
  3. Step 3: Cross multiply
    4,666.86x = 6,439.68 × 2,571.12
  4. Step 4: Simplify right side
    4,666.86x = 16,557,190.04
  5. Step 5: Solve for x
    x = 16,557,190.04/4,666.86
  6. Step 6: Final answer
    x = 3,547.82

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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.