Home / 4,505.91-6,759.51-1,386.18

Finding the Fourth Proportional to 4,505.91, 6,759.51 and 1,386.18

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Solution

The fourth proportional to 4,505.91, 6,759.51 and 1,386.18 is: 2,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.91 : 6,759.51 = 1,386.18 : x
  2. Step 2: Convert to fraction form
    4,505.91/6,759.51 = 1,386.18/x
  3. Step 3: Cross multiply
    4,505.91x = 6,759.51 × 1,386.18
  4. Step 4: Simplify right side
    4,505.91x = 9,369,897.57
  5. Step 5: Solve for x
    x = 9,369,897.57/4,505.91
  6. Step 6: Final answer
    x = 2,079.47

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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.