Home / 5,442.48-8,162.64-1,547.28

Finding the Fourth Proportional to 5,442.48, 8,162.64 and 1,547.28

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Solution

The fourth proportional to 5,442.48, 8,162.64 and 1,547.28 is: 2,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.48 : 8,162.64 = 1,547.28 : x
  2. Step 2: Convert to fraction form
    5,442.48/8,162.64 = 1,547.28/x
  3. Step 3: Cross multiply
    5,442.48x = 8,162.64 × 1,547.28
  4. Step 4: Simplify right side
    5,442.48x = 12,629,889.62
  5. Step 5: Solve for x
    x = 12,629,889.62/5,442.48
  6. Step 6: Final answer
    x = 2,320.61

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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.