Home / 4,639.04-6,391.20-3,457.76

Finding the Fourth Proportional to 4,639.04, 6,391.20 and 3,457.76

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Solution

The fourth proportional to 4,639.04, 6,391.20 and 3,457.76 is: 4,763.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.04 : 6,391.20 = 3,457.76 : x
  2. Step 2: Convert to fraction form
    4,639.04/6,391.20 = 3,457.76/x
  3. Step 3: Cross multiply
    4,639.04x = 6,391.20 × 3,457.76
  4. Step 4: Simplify right side
    4,639.04x = 22,099,235.71
  5. Step 5: Solve for x
    x = 22,099,235.71/4,639.04
  6. Step 6: Final answer
    x = 4,763.75

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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.