Home / 8,686.08-11,986.77-4,707.18

Finding the Fourth Proportional to 8,686.08, 11,986.77 and 4,707.18

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Solution

The fourth proportional to 8,686.08, 11,986.77 and 4,707.18 is: 6,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.08 : 11,986.77 = 4,707.18 : x
  2. Step 2: Convert to fraction form
    8,686.08/11,986.77 = 4,707.18/x
  3. Step 3: Cross multiply
    8,686.08x = 11,986.77 × 4,707.18
  4. Step 4: Simplify right side
    8,686.08x = 56,423,884.01
  5. Step 5: Solve for x
    x = 56,423,884.01/8,686.08
  6. Step 6: Final answer
    x = 6,495.90

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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.