Home / 5,445.83-7,515.38-3,088.13

Finding the Fourth Proportional to 5,445.83, 7,515.38 and 3,088.13

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Solution

The fourth proportional to 5,445.83, 7,515.38 and 3,088.13 is: 4,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.83 : 7,515.38 = 3,088.13 : x
  2. Step 2: Convert to fraction form
    5,445.83/7,515.38 = 3,088.13/x
  3. Step 3: Cross multiply
    5,445.83x = 7,515.38 × 3,088.13
  4. Step 4: Simplify right side
    5,445.83x = 23,208,440.58
  5. Step 5: Solve for x
    x = 23,208,440.58/5,445.83
  6. Step 6: Final answer
    x = 4,261.69

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Half scale
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Double scale
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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.