Home / 5,345.20-8,008.20-4,577.20

Finding the Fourth Proportional to 5,345.20, 8,008.20 and 4,577.20

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Solution

The fourth proportional to 5,345.20, 8,008.20 and 4,577.20 is: 6,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.20 : 8,008.20 = 4,577.20 : x
  2. Step 2: Convert to fraction form
    5,345.20/8,008.20 = 4,577.20/x
  3. Step 3: Cross multiply
    5,345.20x = 8,008.20 × 4,577.20
  4. Step 4: Simplify right side
    5,345.20x = 36,655,133.04
  5. Step 5: Solve for x
    x = 36,655,133.04/5,345.20
  6. Step 6: Final answer
    x = 6,857.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.