Home / 6,840.54-9,439.47-4,045.50

Finding the Fourth Proportional to 6,840.54, 9,439.47 and 4,045.50

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Solution

The fourth proportional to 6,840.54, 9,439.47 and 4,045.50 is: 5,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.54 : 9,439.47 = 4,045.50 : x
  2. Step 2: Convert to fraction form
    6,840.54/9,439.47 = 4,045.50/x
  3. Step 3: Cross multiply
    6,840.54x = 9,439.47 × 4,045.50
  4. Step 4: Simplify right side
    6,840.54x = 38,187,375.89
  5. Step 5: Solve for x
    x = 38,187,375.89/6,840.54
  6. Step 6: Final answer
    x = 5,582.51

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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.