Home / 9,788.70-13,503.79-5,594.50

Finding the Fourth Proportional to 9,788.70, 13,503.79 and 5,594.50

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Solution

The fourth proportional to 9,788.70, 13,503.79 and 5,594.50 is: 7,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.70 : 13,503.79 = 5,594.50 : x
  2. Step 2: Convert to fraction form
    9,788.70/13,503.79 = 5,594.50/x
  3. Step 3: Cross multiply
    9,788.70x = 13,503.79 × 5,594.50
  4. Step 4: Simplify right side
    9,788.70x = 75,546,953.16
  5. Step 5: Solve for x
    x = 75,546,953.16/9,788.70
  6. Step 6: Final answer
    x = 7,717.77

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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.