Home / 5,443.78-8,164.56-1,547.14

Finding the Fourth Proportional to 5,443.78, 8,164.56 and 1,547.14

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Solution

The fourth proportional to 5,443.78, 8,164.56 and 1,547.14 is: 2,320.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.78 : 8,164.56 = 1,547.14 : x
  2. Step 2: Convert to fraction form
    5,443.78/8,164.56 = 1,547.14/x
  3. Step 3: Cross multiply
    5,443.78x = 8,164.56 × 1,547.14
  4. Step 4: Simplify right side
    5,443.78x = 12,631,717.36
  5. Step 5: Solve for x
    x = 12,631,717.36/5,443.78
  6. Step 6: Final answer
    x = 2,320.39

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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.