Home / 5,658.18-8,485.23-1,959.40

Finding the Fourth Proportional to 5,658.18, 8,485.23 and 1,959.40

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Solution

The fourth proportional to 5,658.18, 8,485.23 and 1,959.40 is: 2,938.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.18 : 8,485.23 = 1,959.40 : x
  2. Step 2: Convert to fraction form
    5,658.18/8,485.23 = 1,959.40/x
  3. Step 3: Cross multiply
    5,658.18x = 8,485.23 × 1,959.40
  4. Step 4: Simplify right side
    5,658.18x = 16,625,959.66
  5. Step 5: Solve for x
    x = 16,625,959.66/5,658.18
  6. Step 6: Final answer
    x = 2,938.39

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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.