Home / 8,642.60-11,924.76-5,106.34

Finding the Fourth Proportional to 8,642.60, 11,924.76 and 5,106.34

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Solution

The fourth proportional to 8,642.60, 11,924.76 and 5,106.34 is: 7,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642.60 : 11,924.76 = 5,106.34 : x
  2. Step 2: Convert to fraction form
    8,642.60/11,924.76 = 5,106.34/x
  3. Step 3: Cross multiply
    8,642.60x = 11,924.76 × 5,106.34
  4. Step 4: Simplify right side
    8,642.60x = 60,891,878.98
  5. Step 5: Solve for x
    x = 60,891,878.98/8,642.60
  6. Step 6: Final answer
    x = 7,045.55

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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.