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Finding the Fourth Proportional to 8,935, 12,328.47 and 4,955.26

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Solution

The fourth proportional to 8,935, 12,328.47 and 4,955.26 is: 6,837.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935 : 12,328.47 = 4,955.26 : x
  2. Step 2: Convert to fraction form
    8,935/12,328.47 = 4,955.26/x
  3. Step 3: Cross multiply
    8,935x = 12,328.47 × 4,955.26
  4. Step 4: Simplify right side
    8,935x = 61,090,774.25
  5. Step 5: Solve for x
    x = 61,090,774.25/8,935
  6. Step 6: Final answer
    x = 6,837.24

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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.