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Finding the Fourth Proportional to 5,088.57, 7,630.29 and 1,801.20

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Solution

The fourth proportional to 5,088.57, 7,630.29 and 1,801.20 is: 2,700.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.57 : 7,630.29 = 1,801.20 : x
  2. Step 2: Convert to fraction form
    5,088.57/7,630.29 = 1,801.20/x
  3. Step 3: Cross multiply
    5,088.57x = 7,630.29 × 1,801.20
  4. Step 4: Simplify right side
    5,088.57x = 13,743,678.35
  5. Step 5: Solve for x
    x = 13,743,678.35/5,088.57
  6. Step 6: Final answer
    x = 2,700.89

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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.