Home / 4,312.59-6,470.42-2,122.85

Finding the Fourth Proportional to 4,312.59, 6,470.42 and 2,122.85

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Solution

The fourth proportional to 4,312.59, 6,470.42 and 2,122.85 is: 3,185.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.59 : 6,470.42 = 2,122.85 : x
  2. Step 2: Convert to fraction form
    4,312.59/6,470.42 = 2,122.85/x
  3. Step 3: Cross multiply
    4,312.59x = 6,470.42 × 2,122.85
  4. Step 4: Simplify right side
    4,312.59x = 13,735,688.13
  5. Step 5: Solve for x
    x = 13,735,688.13/4,312.59
  6. Step 6: Final answer
    x = 3,185.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.