Home / 6,280.11-8,685.36-5,492.79

Finding the Fourth Proportional to 6,280.11, 8,685.36 and 5,492.79

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Solution

The fourth proportional to 6,280.11, 8,685.36 and 5,492.79 is: 7,596.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.11 : 8,685.36 = 5,492.79 : x
  2. Step 2: Convert to fraction form
    6,280.11/8,685.36 = 5,492.79/x
  3. Step 3: Cross multiply
    6,280.11x = 8,685.36 × 5,492.79
  4. Step 4: Simplify right side
    6,280.11x = 47,706,858.55
  5. Step 5: Solve for x
    x = 47,706,858.55/6,280.11
  6. Step 6: Final answer
    x = 7,596.50

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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.