Home / 8,669.85-11,964.37-4,690.95

Finding the Fourth Proportional to 8,669.85, 11,964.37 and 4,690.95

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Solution

The fourth proportional to 8,669.85, 11,964.37 and 4,690.95 is: 6,473.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.85 : 11,964.37 = 4,690.95 : x
  2. Step 2: Convert to fraction form
    8,669.85/11,964.37 = 4,690.95/x
  3. Step 3: Cross multiply
    8,669.85x = 11,964.37 × 4,690.95
  4. Step 4: Simplify right side
    8,669.85x = 56,124,261.45
  5. Step 5: Solve for x
    x = 56,124,261.45/8,669.85
  6. Step 6: Final answer
    x = 6,473.50

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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.