Home / 8,924.40-12,308.52-5,560.80

Finding the Fourth Proportional to 8,924.40, 12,308.52 and 5,560.80

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Solution

The fourth proportional to 8,924.40, 12,308.52 and 5,560.80 is: 7,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.40 : 12,308.52 = 5,560.80 : x
  2. Step 2: Convert to fraction form
    8,924.40/12,308.52 = 5,560.80/x
  3. Step 3: Cross multiply
    8,924.40x = 12,308.52 × 5,560.80
  4. Step 4: Simplify right side
    8,924.40x = 68,445,218.02
  5. Step 5: Solve for x
    x = 68,445,218.02/8,924.40
  6. Step 6: Final answer
    x = 7,669.45

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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.