Home / 6,901.92-10,342.08-3,779.28

Finding the Fourth Proportional to 6,901.92, 10,342.08 and 3,779.28

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Solution

The fourth proportional to 6,901.92, 10,342.08 and 3,779.28 is: 5,663.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.92 : 10,342.08 = 3,779.28 : x
  2. Step 2: Convert to fraction form
    6,901.92/10,342.08 = 3,779.28/x
  3. Step 3: Cross multiply
    6,901.92x = 10,342.08 × 3,779.28
  4. Step 4: Simplify right side
    6,901.92x = 39,085,616.10
  5. Step 5: Solve for x
    x = 39,085,616.10/6,901.92
  6. Step 6: Final answer
    x = 5,663.01

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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.