Home / 6,890.32-9,508.68-4,095.76

Finding the Fourth Proportional to 6,890.32, 9,508.68 and 4,095.76

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Solution

The fourth proportional to 6,890.32, 9,508.68 and 4,095.76 is: 5,652.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.32 : 9,508.68 = 4,095.76 : x
  2. Step 2: Convert to fraction form
    6,890.32/9,508.68 = 4,095.76/x
  3. Step 3: Cross multiply
    6,890.32x = 9,508.68 × 4,095.76
  4. Step 4: Simplify right side
    6,890.32x = 38,945,271.20
  5. Step 5: Solve for x
    x = 38,945,271.20/6,890.32
  6. Step 6: Final answer
    x = 5,652.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.