Home / 8,480.14-11,702.18-4,703.45

Finding the Fourth Proportional to 8,480.14, 11,702.18 and 4,703.45

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Solution

The fourth proportional to 8,480.14, 11,702.18 and 4,703.45 is: 6,490.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.14 : 11,702.18 = 4,703.45 : x
  2. Step 2: Convert to fraction form
    8,480.14/11,702.18 = 4,703.45/x
  3. Step 3: Cross multiply
    8,480.14x = 11,702.18 × 4,703.45
  4. Step 4: Simplify right side
    8,480.14x = 55,040,595.00
  5. Step 5: Solve for x
    x = 55,040,595.00/8,480.14
  6. Step 6: Final answer
    x = 6,490.53

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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.