Home / 9,784.48-13,503.36-5,805.76

Finding the Fourth Proportional to 9,784.48, 13,503.36 and 5,805.76

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Solution

The fourth proportional to 9,784.48, 13,503.36 and 5,805.76 is: 8,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,784.48 : 13,503.36 = 5,805.76 : x
  2. Step 2: Convert to fraction form
    9,784.48/13,503.36 = 5,805.76/x
  3. Step 3: Cross multiply
    9,784.48x = 13,503.36 × 5,805.76
  4. Step 4: Simplify right side
    9,784.48x = 78,397,267.35
  5. Step 5: Solve for x
    x = 78,397,267.35/9,784.48
  6. Step 6: Final answer
    x = 8,012.41

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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.