Home / 6,919.32-9,545.94-4,400.76

Finding the Fourth Proportional to 6,919.32, 9,545.94 and 4,400.76

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Solution

The fourth proportional to 6,919.32, 9,545.94 and 4,400.76 is: 6,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.32 : 9,545.94 = 4,400.76 : x
  2. Step 2: Convert to fraction form
    6,919.32/9,545.94 = 4,400.76/x
  3. Step 3: Cross multiply
    6,919.32x = 9,545.94 × 4,400.76
  4. Step 4: Simplify right side
    6,919.32x = 42,009,390.91
  5. Step 5: Solve for x
    x = 42,009,390.91/6,919.32
  6. Step 6: Final answer
    x = 6,071.32

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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.