Home / 5,443.19-8,164.88-1,547.70

Finding the Fourth Proportional to 5,443.19, 8,164.88 and 1,547.70

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Solution

The fourth proportional to 5,443.19, 8,164.88 and 1,547.70 is: 2,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.19 : 8,164.88 = 1,547.70 : x
  2. Step 2: Convert to fraction form
    5,443.19/8,164.88 = 1,547.70/x
  3. Step 3: Cross multiply
    5,443.19x = 8,164.88 × 1,547.70
  4. Step 4: Simplify right side
    5,443.19x = 12,636,784.78
  5. Step 5: Solve for x
    x = 12,636,784.78/5,443.19
  6. Step 6: Final answer
    x = 2,321.58

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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.