Home / 4,669.32-6,439.86-3,491.40

Finding the Fourth Proportional to 4,669.32, 6,439.86 and 3,491.40

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Solution

The fourth proportional to 4,669.32, 6,439.86 and 3,491.40 is: 4,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.32 : 6,439.86 = 3,491.40 : x
  2. Step 2: Convert to fraction form
    4,669.32/6,439.86 = 3,491.40/x
  3. Step 3: Cross multiply
    4,669.32x = 6,439.86 × 3,491.40
  4. Step 4: Simplify right side
    4,669.32x = 22,484,127.20
  5. Step 5: Solve for x
    x = 22,484,127.20/4,669.32
  6. Step 6: Final answer
    x = 4,815.29

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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.