Home / 6,271.66-8,657.13-4,280.79

Finding the Fourth Proportional to 6,271.66, 8,657.13 and 4,280.79

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Solution

The fourth proportional to 6,271.66, 8,657.13 and 4,280.79 is: 5,909.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.66 : 8,657.13 = 4,280.79 : x
  2. Step 2: Convert to fraction form
    6,271.66/8,657.13 = 4,280.79/x
  3. Step 3: Cross multiply
    6,271.66x = 8,657.13 × 4,280.79
  4. Step 4: Simplify right side
    6,271.66x = 37,059,355.53
  5. Step 5: Solve for x
    x = 37,059,355.53/6,271.66
  6. Step 6: Final answer
    x = 5,909.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.