Home / 8,566.79-11,820.65-4,788.77

Finding the Fourth Proportional to 8,566.79, 11,820.65 and 4,788.77

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Solution

The fourth proportional to 8,566.79, 11,820.65 and 4,788.77 is: 6,607.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.79 : 11,820.65 = 4,788.77 : x
  2. Step 2: Convert to fraction form
    8,566.79/11,820.65 = 4,788.77/x
  3. Step 3: Cross multiply
    8,566.79x = 11,820.65 × 4,788.77
  4. Step 4: Simplify right side
    8,566.79x = 56,606,291.05
  5. Step 5: Solve for x
    x = 56,606,291.05/8,566.79
  6. Step 6: Final answer
    x = 6,607.65

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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.