Home / 4,357.40-6,536.10-4,187.30

Finding the Fourth Proportional to 4,357.40, 6,536.10 and 4,187.30

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Solution

The fourth proportional to 4,357.40, 6,536.10 and 4,187.30 is: 6,280.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,357.40 : 6,536.10 = 4,187.30 : x
  2. Step 2: Convert to fraction form
    4,357.40/6,536.10 = 4,187.30/x
  3. Step 3: Cross multiply
    4,357.40x = 6,536.10 × 4,187.30
  4. Step 4: Simplify right side
    4,357.40x = 27,368,611.53
  5. Step 5: Solve for x
    x = 27,368,611.53/4,357.40
  6. Step 6: Final answer
    x = 6,280.95

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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.