Home / 8,686.13-11,986.84-4,707.24

Finding the Fourth Proportional to 8,686.13, 11,986.84 and 4,707.24

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Solution

The fourth proportional to 8,686.13, 11,986.84 and 4,707.24 is: 6,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.13 : 11,986.84 = 4,707.24 : x
  2. Step 2: Convert to fraction form
    8,686.13/11,986.84 = 4,707.24/x
  3. Step 3: Cross multiply
    8,686.13x = 11,986.84 × 4,707.24
  4. Step 4: Simplify right side
    8,686.13x = 56,424,893.65
  5. Step 5: Solve for x
    x = 56,424,893.65/8,686.13
  6. Step 6: Final answer
    x = 6,495.98

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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.