Home / 4,507.10-6,759.45-1,387.10

Finding the Fourth Proportional to 4,507.10, 6,759.45 and 1,387.10

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Solution

The fourth proportional to 4,507.10, 6,759.45 and 1,387.10 is: 2,080.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.10 : 6,759.45 = 1,387.10 : x
  2. Step 2: Convert to fraction form
    4,507.10/6,759.45 = 1,387.10/x
  3. Step 3: Cross multiply
    4,507.10x = 6,759.45 × 1,387.10
  4. Step 4: Simplify right side
    4,507.10x = 9,376,033.10
  5. Step 5: Solve for x
    x = 9,376,033.10/4,507.10
  6. Step 6: Final answer
    x = 2,080.28

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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.