Home / 8,799.36-12,142.96-4,820.40

Finding the Fourth Proportional to 8,799.36, 12,142.96 and 4,820.40

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Solution

The fourth proportional to 8,799.36, 12,142.96 and 4,820.40 is: 6,652.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.36 : 12,142.96 = 4,820.40 : x
  2. Step 2: Convert to fraction form
    8,799.36/12,142.96 = 4,820.40/x
  3. Step 3: Cross multiply
    8,799.36x = 12,142.96 × 4,820.40
  4. Step 4: Simplify right side
    8,799.36x = 58,533,924.38
  5. Step 5: Solve for x
    x = 58,533,924.38/8,799.36
  6. Step 6: Final answer
    x = 6,652.07

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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.