Home / 5,626.47-8,439.71-3,045.81

Finding the Fourth Proportional to 5,626.47, 8,439.71 and 3,045.81

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Solution

The fourth proportional to 5,626.47, 8,439.71 and 3,045.81 is: 4,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.47 : 8,439.71 = 3,045.81 : x
  2. Step 2: Convert to fraction form
    5,626.47/8,439.71 = 3,045.81/x
  3. Step 3: Cross multiply
    5,626.47x = 8,439.71 × 3,045.81
  4. Step 4: Simplify right side
    5,626.47x = 25,705,737.89
  5. Step 5: Solve for x
    x = 25,705,737.89/5,626.47
  6. Step 6: Final answer
    x = 4,568.72

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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.