Home / 4,312.16-6,470.26-2,119.66

Finding the Fourth Proportional to 4,312.16, 6,470.26 and 2,119.66

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Solution

The fourth proportional to 4,312.16, 6,470.26 and 2,119.66 is: 3,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.16 : 6,470.26 = 2,119.66 : x
  2. Step 2: Convert to fraction form
    4,312.16/6,470.26 = 2,119.66/x
  3. Step 3: Cross multiply
    4,312.16x = 6,470.26 × 2,119.66
  4. Step 4: Simplify right side
    4,312.16x = 13,714,751.31
  5. Step 5: Solve for x
    x = 13,714,751.31/4,312.16
  6. Step 6: Final answer
    x = 3,180.48

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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.