Home / 5,635.53-8,454.51-1,687.10

Finding the Fourth Proportional to 5,635.53, 8,454.51 and 1,687.10

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Solution

The fourth proportional to 5,635.53, 8,454.51 and 1,687.10 is: 2,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.53 : 8,454.51 = 1,687.10 : x
  2. Step 2: Convert to fraction form
    5,635.53/8,454.51 = 1,687.10/x
  3. Step 3: Cross multiply
    5,635.53x = 8,454.51 × 1,687.10
  4. Step 4: Simplify right side
    5,635.53x = 14,263,603.82
  5. Step 5: Solve for x
    x = 14,263,603.82/5,635.53
  6. Step 6: Final answer
    x = 2,531.01

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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.