Home / 5,445.90-7,515.51-3,088.14

Finding the Fourth Proportional to 5,445.90, 7,515.51 and 3,088.14

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Solution

The fourth proportional to 5,445.90, 7,515.51 and 3,088.14 is: 4,261.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.90 : 7,515.51 = 3,088.14 : x
  2. Step 2: Convert to fraction form
    5,445.90/7,515.51 = 3,088.14/x
  3. Step 3: Cross multiply
    5,445.90x = 7,515.51 × 3,088.14
  4. Step 4: Simplify right side
    5,445.90x = 23,208,947.05
  5. Step 5: Solve for x
    x = 23,208,947.05/5,445.90
  6. Step 6: Final answer
    x = 4,261.73

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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.