Home / 5,277.76-7,280.13-3,485.26

Finding the Fourth Proportional to 5,277.76, 7,280.13 and 3,485.26

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Solution

The fourth proportional to 5,277.76, 7,280.13 and 3,485.26 is: 4,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.76 : 7,280.13 = 3,485.26 : x
  2. Step 2: Convert to fraction form
    5,277.76/7,280.13 = 3,485.26/x
  3. Step 3: Cross multiply
    5,277.76x = 7,280.13 × 3,485.26
  4. Step 4: Simplify right side
    5,277.76x = 25,373,168.05
  5. Step 5: Solve for x
    x = 25,373,168.05/5,277.76
  6. Step 6: Final answer
    x = 4,807.57

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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.