Home / 8,368.80-12,549.36-5,772.96

Finding the Fourth Proportional to 8,368.80, 12,549.36 and 5,772.96

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Solution

The fourth proportional to 8,368.80, 12,549.36 and 5,772.96 is: 8,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.80 : 12,549.36 = 5,772.96 : x
  2. Step 2: Convert to fraction form
    8,368.80/12,549.36 = 5,772.96/x
  3. Step 3: Cross multiply
    8,368.80x = 12,549.36 × 5,772.96
  4. Step 4: Simplify right side
    8,368.80x = 72,446,953.31
  5. Step 5: Solve for x
    x = 72,446,953.31/8,368.80
  6. Step 6: Final answer
    x = 8,656.79

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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.