Home / 6,430.22-8,872.26-4,070.98

Finding the Fourth Proportional to 6,430.22, 8,872.26 and 4,070.98

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Solution

The fourth proportional to 6,430.22, 8,872.26 and 4,070.98 is: 5,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.22 : 8,872.26 = 4,070.98 : x
  2. Step 2: Convert to fraction form
    6,430.22/8,872.26 = 4,070.98/x
  3. Step 3: Cross multiply
    6,430.22x = 8,872.26 × 4,070.98
  4. Step 4: Simplify right side
    6,430.22x = 36,118,793.01
  5. Step 5: Solve for x
    x = 36,118,793.01/6,430.22
  6. Step 6: Final answer
    x = 5,617.04

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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.