Home / 6,199.55-8,558.72-4,780.13

Finding the Fourth Proportional to 6,199.55, 8,558.72 and 4,780.13

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Solution

The fourth proportional to 6,199.55, 8,558.72 and 4,780.13 is: 6,599.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.55 : 8,558.72 = 4,780.13 : x
  2. Step 2: Convert to fraction form
    6,199.55/8,558.72 = 4,780.13/x
  3. Step 3: Cross multiply
    6,199.55x = 8,558.72 × 4,780.13
  4. Step 4: Simplify right side
    6,199.55x = 40,911,727.54
  5. Step 5: Solve for x
    x = 40,911,727.54/6,199.55
  6. Step 6: Final answer
    x = 6,599.14

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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.