Home / 8,392.89-12,587.58-2,548.20

Finding the Fourth Proportional to 8,392.89, 12,587.58 and 2,548.20

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Solution

The fourth proportional to 8,392.89, 12,587.58 and 2,548.20 is: 3,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.89 : 12,587.58 = 2,548.20 : x
  2. Step 2: Convert to fraction form
    8,392.89/12,587.58 = 2,548.20/x
  3. Step 3: Cross multiply
    8,392.89x = 12,587.58 × 2,548.20
  4. Step 4: Simplify right side
    8,392.89x = 32,075,671.36
  5. Step 5: Solve for x
    x = 32,075,671.36/8,392.89
  6. Step 6: Final answer
    x = 3,821.77

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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.