Home / 4,020.92-5,547.34-3,075.72

Finding the Fourth Proportional to 4,020.92, 5,547.34 and 3,075.72

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Solution

The fourth proportional to 4,020.92, 5,547.34 and 3,075.72 is: 4,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.92 : 5,547.34 = 3,075.72 : x
  2. Step 2: Convert to fraction form
    4,020.92/5,547.34 = 3,075.72/x
  3. Step 3: Cross multiply
    4,020.92x = 5,547.34 × 3,075.72
  4. Step 4: Simplify right side
    4,020.92x = 17,062,064.58
  5. Step 5: Solve for x
    x = 17,062,064.58/4,020.92
  6. Step 6: Final answer
    x = 4,243.32

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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.