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Finding the Fourth Proportional to 6,420.04, 8,793.16 and 6,041.70

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Solution

The fourth proportional to 6,420.04, 8,793.16 and 6,041.70 is: 8,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420.04 : 8,793.16 = 6,041.70 : x
  2. Step 2: Convert to fraction form
    6,420.04/8,793.16 = 6,041.70/x
  3. Step 3: Cross multiply
    6,420.04x = 8,793.16 × 6,041.70
  4. Step 4: Simplify right side
    6,420.04x = 53,125,619.67
  5. Step 5: Solve for x
    x = 53,125,619.67/6,420.04
  6. Step 6: Final answer
    x = 8,274.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.