Home / 4,590.12-6,886.20-1,816.80

Finding the Fourth Proportional to 4,590.12, 6,886.20 and 1,816.80

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Solution

The fourth proportional to 4,590.12, 6,886.20 and 1,816.80 is: 2,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.12 : 6,886.20 = 1,816.80 : x
  2. Step 2: Convert to fraction form
    4,590.12/6,886.20 = 1,816.80/x
  3. Step 3: Cross multiply
    4,590.12x = 6,886.20 × 1,816.80
  4. Step 4: Simplify right side
    4,590.12x = 12,510,848.16
  5. Step 5: Solve for x
    x = 12,510,848.16/4,590.12
  6. Step 6: Final answer
    x = 2,725.60

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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.