Home / 5,471.40-8,216.70-5,298.60

Finding the Fourth Proportional to 5,471.40, 8,216.70 and 5,298.60

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Solution

The fourth proportional to 5,471.40, 8,216.70 and 5,298.60 is: 7,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.40 : 8,216.70 = 5,298.60 : x
  2. Step 2: Convert to fraction form
    5,471.40/8,216.70 = 5,298.60/x
  3. Step 3: Cross multiply
    5,471.40x = 8,216.70 × 5,298.60
  4. Step 4: Simplify right side
    5,471.40x = 43,537,006.62
  5. Step 5: Solve for x
    x = 43,537,006.62/5,471.40
  6. Step 6: Final answer
    x = 7,957.20

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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.