Home / 5,509.23-8,272.01-5,345.20

Finding the Fourth Proportional to 5,509.23, 8,272.01 and 5,345.20

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Solution

The fourth proportional to 5,509.23, 8,272.01 and 5,345.20 is: 8,025.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.23 : 8,272.01 = 5,345.20 : x
  2. Step 2: Convert to fraction form
    5,509.23/8,272.01 = 5,345.20/x
  3. Step 3: Cross multiply
    5,509.23x = 8,272.01 × 5,345.20
  4. Step 4: Simplify right side
    5,509.23x = 44,215,547.85
  5. Step 5: Solve for x
    x = 44,215,547.85/5,509.23
  6. Step 6: Final answer
    x = 8,025.72

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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.