Home / 5,259.90-7,262.56-3,690.12

Finding the Fourth Proportional to 5,259.90, 7,262.56 and 3,690.12

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Solution

The fourth proportional to 5,259.90, 7,262.56 and 3,690.12 is: 5,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.90 : 7,262.56 = 3,690.12 : x
  2. Step 2: Convert to fraction form
    5,259.90/7,262.56 = 3,690.12/x
  3. Step 3: Cross multiply
    5,259.90x = 7,262.56 × 3,690.12
  4. Step 4: Simplify right side
    5,259.90x = 26,799,717.91
  5. Step 5: Solve for x
    x = 26,799,717.91/5,259.90
  6. Step 6: Final answer
    x = 5,095.10

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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.