Home / 8,468.15-12,702.65-5,350.77

Finding the Fourth Proportional to 8,468.15, 12,702.65 and 5,350.77

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Solution

The fourth proportional to 8,468.15, 12,702.65 and 5,350.77 is: 8,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.15 : 12,702.65 = 5,350.77 : x
  2. Step 2: Convert to fraction form
    8,468.15/12,702.65 = 5,350.77/x
  3. Step 3: Cross multiply
    8,468.15x = 12,702.65 × 5,350.77
  4. Step 4: Simplify right side
    8,468.15x = 67,968,931.79
  5. Step 5: Solve for x
    x = 67,968,931.79/8,468.15
  6. Step 6: Final answer
    x = 8,026.43

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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.