Home / 4,071.92-6,109.48-1,607.45

Finding the Fourth Proportional to 4,071.92, 6,109.48 and 1,607.45

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Solution

The fourth proportional to 4,071.92, 6,109.48 and 1,607.45 is: 2,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.92 : 6,109.48 = 1,607.45 : x
  2. Step 2: Convert to fraction form
    4,071.92/6,109.48 = 1,607.45/x
  3. Step 3: Cross multiply
    4,071.92x = 6,109.48 × 1,607.45
  4. Step 4: Simplify right side
    4,071.92x = 9,820,646.05
  5. Step 5: Solve for x
    x = 9,820,646.05/4,071.92
  6. Step 6: Final answer
    x = 2,411.80

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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.