Home / 8,586.99-12,885.35-3,656.12

Finding the Fourth Proportional to 8,586.99, 12,885.35 and 3,656.12

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Solution

The fourth proportional to 8,586.99, 12,885.35 and 3,656.12 is: 5,486.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.99 : 12,885.35 = 3,656.12 : x
  2. Step 2: Convert to fraction form
    8,586.99/12,885.35 = 3,656.12/x
  3. Step 3: Cross multiply
    8,586.99x = 12,885.35 × 3,656.12
  4. Step 4: Simplify right side
    8,586.99x = 47,110,303.13
  5. Step 5: Solve for x
    x = 47,110,303.13/8,586.99
  6. Step 6: Final answer
    x = 5,486.24

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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.