Home / 4,637.21-6,914.45-4,122.05

Finding the Fourth Proportional to 4,637.21, 6,914.45 and 4,122.05

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Solution

The fourth proportional to 4,637.21, 6,914.45 and 4,122.05 is: 6,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,637.21 : 6,914.45 = 4,122.05 : x
  2. Step 2: Convert to fraction form
    4,637.21/6,914.45 = 4,122.05/x
  3. Step 3: Cross multiply
    4,637.21x = 6,914.45 × 4,122.05
  4. Step 4: Simplify right side
    4,637.21x = 28,501,663.75
  5. Step 5: Solve for x
    x = 28,501,663.75/4,637.21
  6. Step 6: Final answer
    x = 6,146.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.