Home / 4,721.15-6,515.55-2,832.81

Finding the Fourth Proportional to 4,721.15, 6,515.55 and 2,832.81

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Solution

The fourth proportional to 4,721.15, 6,515.55 and 2,832.81 is: 3,909.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.15 : 6,515.55 = 2,832.81 : x
  2. Step 2: Convert to fraction form
    4,721.15/6,515.55 = 2,832.81/x
  3. Step 3: Cross multiply
    4,721.15x = 6,515.55 × 2,832.81
  4. Step 4: Simplify right side
    4,721.15x = 18,457,315.20
  5. Step 5: Solve for x
    x = 18,457,315.20/4,721.15
  6. Step 6: Final answer
    x = 3,909.50

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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.