Home / 4,987.48-6,885.51-3,923.14

Finding the Fourth Proportional to 4,987.48, 6,885.51 and 3,923.14

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Solution

The fourth proportional to 4,987.48, 6,885.51 and 3,923.14 is: 5,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.48 : 6,885.51 = 3,923.14 : x
  2. Step 2: Convert to fraction form
    4,987.48/6,885.51 = 3,923.14/x
  3. Step 3: Cross multiply
    4,987.48x = 6,885.51 × 3,923.14
  4. Step 4: Simplify right side
    4,987.48x = 27,012,819.70
  5. Step 5: Solve for x
    x = 27,012,819.70/4,987.48
  6. Step 6: Final answer
    x = 5,416.13

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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.