Home / 6,115.71-8,431.50-4,860.93

Finding the Fourth Proportional to 6,115.71, 8,431.50 and 4,860.93

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Solution

The fourth proportional to 6,115.71, 8,431.50 and 4,860.93 is: 6,701.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.71 : 8,431.50 = 4,860.93 : x
  2. Step 2: Convert to fraction form
    6,115.71/8,431.50 = 4,860.93/x
  3. Step 3: Cross multiply
    6,115.71x = 8,431.50 × 4,860.93
  4. Step 4: Simplify right side
    6,115.71x = 40,984,931.30
  5. Step 5: Solve for x
    x = 40,984,931.30/6,115.71
  6. Step 6: Final answer
    x = 6,701.58

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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.