Home / 5,424.60-8,153.10-4,711.80

Finding the Fourth Proportional to 5,424.60, 8,153.10 and 4,711.80

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Solution

The fourth proportional to 5,424.60, 8,153.10 and 4,711.80 is: 7,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.60 : 8,153.10 = 4,711.80 : x
  2. Step 2: Convert to fraction form
    5,424.60/8,153.10 = 4,711.80/x
  3. Step 3: Cross multiply
    5,424.60x = 8,153.10 × 4,711.80
  4. Step 4: Simplify right side
    5,424.60x = 38,415,776.58
  5. Step 5: Solve for x
    x = 38,415,776.58/5,424.60
  6. Step 6: Final answer
    x = 7,081.77

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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.