Home / 5,547.79-8,321.66-1,652.20

Finding the Fourth Proportional to 5,547.79, 8,321.66 and 1,652.20

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Solution

The fourth proportional to 5,547.79, 8,321.66 and 1,652.20 is: 2,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.79 : 8,321.66 = 1,652.20 : x
  2. Step 2: Convert to fraction form
    5,547.79/8,321.66 = 1,652.20/x
  3. Step 3: Cross multiply
    5,547.79x = 8,321.66 × 1,652.20
  4. Step 4: Simplify right side
    5,547.79x = 13,749,046.65
  5. Step 5: Solve for x
    x = 13,749,046.65/5,547.79
  6. Step 6: Final answer
    x = 2,478.29

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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.