Home / 4,021.31-5,547.18-2,528.69

Finding the Fourth Proportional to 4,021.31, 5,547.18 and 2,528.69

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Solution

The fourth proportional to 4,021.31, 5,547.18 and 2,528.69 is: 3,488.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.31 : 5,547.18 = 2,528.69 : x
  2. Step 2: Convert to fraction form
    4,021.31/5,547.18 = 2,528.69/x
  3. Step 3: Cross multiply
    4,021.31x = 5,547.18 × 2,528.69
  4. Step 4: Simplify right side
    4,021.31x = 14,027,080.34
  5. Step 5: Solve for x
    x = 14,027,080.34/4,021.31
  6. Step 6: Final answer
    x = 3,488.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.