Home / 9,122.25-12,588.72-4,930.50

Finding the Fourth Proportional to 9,122.25, 12,588.72 and 4,930.50

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Solution

The fourth proportional to 9,122.25, 12,588.72 and 4,930.50 is: 6,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.25 : 12,588.72 = 4,930.50 : x
  2. Step 2: Convert to fraction form
    9,122.25/12,588.72 = 4,930.50/x
  3. Step 3: Cross multiply
    9,122.25x = 12,588.72 × 4,930.50
  4. Step 4: Simplify right side
    9,122.25x = 62,068,683.96
  5. Step 5: Solve for x
    x = 62,068,683.96/9,122.25
  6. Step 6: Final answer
    x = 6,804.10

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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.