Home / 9,122.34-12,588.85-4,930.59

Finding the Fourth Proportional to 9,122.34, 12,588.85 and 4,930.59

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Solution

The fourth proportional to 9,122.34, 12,588.85 and 4,930.59 is: 6,804.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.34 : 12,588.85 = 4,930.59 : x
  2. Step 2: Convert to fraction form
    9,122.34/12,588.85 = 4,930.59/x
  3. Step 3: Cross multiply
    9,122.34x = 12,588.85 × 4,930.59
  4. Step 4: Simplify right side
    9,122.34x = 62,070,511.29
  5. Step 5: Solve for x
    x = 62,070,511.29/9,122.34
  6. Step 6: Final answer
    x = 6,804.23

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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.