Home / 5,445.91-7,515.07-3,088.21

Finding the Fourth Proportional to 5,445.91, 7,515.07 and 3,088.21

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Solution

The fourth proportional to 5,445.91, 7,515.07 and 3,088.21 is: 4,261.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.91 : 7,515.07 = 3,088.21 : x
  2. Step 2: Convert to fraction form
    5,445.91/7,515.07 = 3,088.21/x
  3. Step 3: Cross multiply
    5,445.91x = 7,515.07 × 3,088.21
  4. Step 4: Simplify right side
    5,445.91x = 23,208,114.32
  5. Step 5: Solve for x
    x = 23,208,114.32/5,445.91
  6. Step 6: Final answer
    x = 4,261.57

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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.