Home / 5,356.31-8,035.20-1,658.84

Finding the Fourth Proportional to 5,356.31, 8,035.20 and 1,658.84

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Solution

The fourth proportional to 5,356.31, 8,035.20 and 1,658.84 is: 2,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.31 : 8,035.20 = 1,658.84 : x
  2. Step 2: Convert to fraction form
    5,356.31/8,035.20 = 1,658.84/x
  3. Step 3: Cross multiply
    5,356.31x = 8,035.20 × 1,658.84
  4. Step 4: Simplify right side
    5,356.31x = 13,329,070.99
  5. Step 5: Solve for x
    x = 13,329,070.99/5,356.31
  6. Step 6: Final answer
    x = 2,488.48

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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.