Home / 9,677.48-13,359.84-5,702.60

Finding the Fourth Proportional to 9,677.48, 13,359.84 and 5,702.60

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Solution

The fourth proportional to 9,677.48, 13,359.84 and 5,702.60 is: 7,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,677.48 : 13,359.84 = 5,702.60 : x
  2. Step 2: Convert to fraction form
    9,677.48/13,359.84 = 5,702.60/x
  3. Step 3: Cross multiply
    9,677.48x = 13,359.84 × 5,702.60
  4. Step 4: Simplify right side
    9,677.48x = 76,185,835.60
  5. Step 5: Solve for x
    x = 76,185,835.60/9,677.48
  6. Step 6: Final answer
    x = 7,872.49

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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.