Home / 6,618.26-9,136.32-4,264.40

Finding the Fourth Proportional to 6,618.26, 9,136.32 and 4,264.40

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Solution

The fourth proportional to 6,618.26, 9,136.32 and 4,264.40 is: 5,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.26 : 9,136.32 = 4,264.40 : x
  2. Step 2: Convert to fraction form
    6,618.26/9,136.32 = 4,264.40/x
  3. Step 3: Cross multiply
    6,618.26x = 9,136.32 × 4,264.40
  4. Step 4: Simplify right side
    6,618.26x = 38,960,923.01
  5. Step 5: Solve for x
    x = 38,960,923.01/6,618.26
  6. Step 6: Final answer
    x = 5,886.88

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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.