Home / 8,370.12-12,549.90-4,205.16

Finding the Fourth Proportional to 8,370.12, 12,549.90 and 4,205.16

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Solution

The fourth proportional to 8,370.12, 12,549.90 and 4,205.16 is: 6,305.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.12 : 12,549.90 = 4,205.16 : x
  2. Step 2: Convert to fraction form
    8,370.12/12,549.90 = 4,205.16/x
  3. Step 3: Cross multiply
    8,370.12x = 12,549.90 × 4,205.16
  4. Step 4: Simplify right side
    8,370.12x = 52,774,337.48
  5. Step 5: Solve for x
    x = 52,774,337.48/8,370.12
  6. Step 6: Final answer
    x = 6,305.09

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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.