Home / 6,511.28-9,766.15-1,702.40

Finding the Fourth Proportional to 6,511.28, 9,766.15 and 1,702.40

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Solution

The fourth proportional to 6,511.28, 9,766.15 and 1,702.40 is: 2,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.28 : 9,766.15 = 1,702.40 : x
  2. Step 2: Convert to fraction form
    6,511.28/9,766.15 = 1,702.40/x
  3. Step 3: Cross multiply
    6,511.28x = 9,766.15 × 1,702.40
  4. Step 4: Simplify right side
    6,511.28x = 16,625,885.25
  5. Step 5: Solve for x
    x = 16,625,885.25/6,511.28
  6. Step 6: Final answer
    x = 2,553.40

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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.