Home / 5,547.40-8,319.90-2,427.40

Finding the Fourth Proportional to 5,547.40, 8,319.90 and 2,427.40

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Solution

The fourth proportional to 5,547.40, 8,319.90 and 2,427.40 is: 3,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.40 : 8,319.90 = 2,427.40 : x
  2. Step 2: Convert to fraction form
    5,547.40/8,319.90 = 2,427.40/x
  3. Step 3: Cross multiply
    5,547.40x = 8,319.90 × 2,427.40
  4. Step 4: Simplify right side
    5,547.40x = 20,195,725.26
  5. Step 5: Solve for x
    x = 20,195,725.26/5,547.40
  6. Step 6: Final answer
    x = 3,640.57

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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.