Home / 8,556.98-11,808.80-5,370.39

Finding the Fourth Proportional to 8,556.98, 11,808.80 and 5,370.39

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Solution

The fourth proportional to 8,556.98, 11,808.80 and 5,370.39 is: 7,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.98 : 11,808.80 = 5,370.39 : x
  2. Step 2: Convert to fraction form
    8,556.98/11,808.80 = 5,370.39/x
  3. Step 3: Cross multiply
    8,556.98x = 11,808.80 × 5,370.39
  4. Step 4: Simplify right side
    8,556.98x = 63,417,834.58
  5. Step 5: Solve for x
    x = 63,417,834.58/8,556.98
  6. Step 6: Final answer
    x = 7,411.24

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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.