Home / 5,686.21-8,513.11-4,305.16

Finding the Fourth Proportional to 5,686.21, 8,513.11 and 4,305.16

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Solution

The fourth proportional to 5,686.21, 8,513.11 and 4,305.16 is: 6,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.21 : 8,513.11 = 4,305.16 : x
  2. Step 2: Convert to fraction form
    5,686.21/8,513.11 = 4,305.16/x
  3. Step 3: Cross multiply
    5,686.21x = 8,513.11 × 4,305.16
  4. Step 4: Simplify right side
    5,686.21x = 36,650,300.65
  5. Step 5: Solve for x
    x = 36,650,300.65/5,686.21
  6. Step 6: Final answer
    x = 6,445.47

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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.