Home / 4,725.12-6,510.33-3,129.06

Finding the Fourth Proportional to 4,725.12, 6,510.33 and 3,129.06

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Solution

The fourth proportional to 4,725.12, 6,510.33 and 3,129.06 is: 4,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.12 : 6,510.33 = 3,129.06 : x
  2. Step 2: Convert to fraction form
    4,725.12/6,510.33 = 3,129.06/x
  3. Step 3: Cross multiply
    4,725.12x = 6,510.33 × 3,129.06
  4. Step 4: Simplify right side
    4,725.12x = 20,371,213.19
  5. Step 5: Solve for x
    x = 20,371,213.19/4,725.12
  6. Step 6: Final answer
    x = 4,311.26

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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.