Home / 4,987.19-7,471.96-4,690.87

Finding the Fourth Proportional to 4,987.19, 7,471.96 and 4,690.87

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Solution

The fourth proportional to 4,987.19, 7,471.96 and 4,690.87 is: 7,027.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.19 : 7,471.96 = 4,690.87 : x
  2. Step 2: Convert to fraction form
    4,987.19/7,471.96 = 4,690.87/x
  3. Step 3: Cross multiply
    4,987.19x = 7,471.96 × 4,690.87
  4. Step 4: Simplify right side
    4,987.19x = 35,049,962.60
  5. Step 5: Solve for x
    x = 35,049,962.60/4,987.19
  6. Step 6: Final answer
    x = 7,027.99

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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.