Home / 6,838.41-9,437.67-4,187.55

Finding the Fourth Proportional to 6,838.41, 9,437.67 and 4,187.55

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Solution

The fourth proportional to 6,838.41, 9,437.67 and 4,187.55 is: 5,779.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.41 : 9,437.67 = 4,187.55 : x
  2. Step 2: Convert to fraction form
    6,838.41/9,437.67 = 4,187.55/x
  3. Step 3: Cross multiply
    6,838.41x = 9,437.67 × 4,187.55
  4. Step 4: Simplify right side
    6,838.41x = 39,520,715.01
  5. Step 5: Solve for x
    x = 39,520,715.01/6,838.41
  6. Step 6: Final answer
    x = 5,779.23

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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.