Home / 5,429.10-8,122.05-4,706.70

Finding the Fourth Proportional to 5,429.10, 8,122.05 and 4,706.70

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Solution

The fourth proportional to 5,429.10, 8,122.05 and 4,706.70 is: 7,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.10 : 8,122.05 = 4,706.70 : x
  2. Step 2: Convert to fraction form
    5,429.10/8,122.05 = 4,706.70/x
  3. Step 3: Cross multiply
    5,429.10x = 8,122.05 × 4,706.70
  4. Step 4: Simplify right side
    5,429.10x = 38,228,052.74
  5. Step 5: Solve for x
    x = 38,228,052.74/5,429.10
  6. Step 6: Final answer
    x = 7,041.32

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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.