Home / 8,699.24-12,005.16-4,720.52

Finding the Fourth Proportional to 8,699.24, 12,005.16 and 4,720.52

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Solution

The fourth proportional to 8,699.24, 12,005.16 and 4,720.52 is: 6,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.24 : 12,005.16 = 4,720.52 : x
  2. Step 2: Convert to fraction form
    8,699.24/12,005.16 = 4,720.52/x
  3. Step 3: Cross multiply
    8,699.24x = 12,005.16 × 4,720.52
  4. Step 4: Simplify right side
    8,699.24x = 56,670,597.88
  5. Step 5: Solve for x
    x = 56,670,597.88/8,699.24
  6. Step 6: Final answer
    x = 6,514.43

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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.