Home / 4,071.08-6,111.50-2,428.40

Finding the Fourth Proportional to 4,071.08, 6,111.50 and 2,428.40

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Solution

The fourth proportional to 4,071.08, 6,111.50 and 2,428.40 is: 3,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.08 : 6,111.50 = 2,428.40 : x
  2. Step 2: Convert to fraction form
    4,071.08/6,111.50 = 2,428.40/x
  3. Step 3: Cross multiply
    4,071.08x = 6,111.50 × 2,428.40
  4. Step 4: Simplify right side
    4,071.08x = 14,841,169.74
  5. Step 5: Solve for x
    x = 14,841,169.74/4,071.08
  6. Step 6: Final answer
    x = 3,645.51

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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.