Home / 6,456.20-9,684.30-5,702.90

Finding the Fourth Proportional to 6,456.20, 9,684.30 and 5,702.90

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Solution

The fourth proportional to 6,456.20, 9,684.30 and 5,702.90 is: 8,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.20 : 9,684.30 = 5,702.90 : x
  2. Step 2: Convert to fraction form
    6,456.20/9,684.30 = 5,702.90/x
  3. Step 3: Cross multiply
    6,456.20x = 9,684.30 × 5,702.90
  4. Step 4: Simplify right side
    6,456.20x = 55,228,594.47
  5. Step 5: Solve for x
    x = 55,228,594.47/6,456.20
  6. Step 6: Final answer
    x = 8,554.35

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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.