Home / 8,645.34-11,929.59-4,868.22

Finding the Fourth Proportional to 8,645.34, 11,929.59 and 4,868.22

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Solution

The fourth proportional to 8,645.34, 11,929.59 and 4,868.22 is: 6,717.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.34 : 11,929.59 = 4,868.22 : x
  2. Step 2: Convert to fraction form
    8,645.34/11,929.59 = 4,868.22/x
  3. Step 3: Cross multiply
    8,645.34x = 11,929.59 × 4,868.22
  4. Step 4: Simplify right side
    8,645.34x = 58,075,868.63
  5. Step 5: Solve for x
    x = 58,075,868.63/8,645.34
  6. Step 6: Final answer
    x = 6,717.59

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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.