Home / 7,028.88-10,547.72-2,645.92

Finding the Fourth Proportional to 7,028.88, 10,547.72 and 2,645.92

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Solution

The fourth proportional to 7,028.88, 10,547.72 and 2,645.92 is: 3,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.88 : 10,547.72 = 2,645.92 : x
  2. Step 2: Convert to fraction form
    7,028.88/10,547.72 = 2,645.92/x
  3. Step 3: Cross multiply
    7,028.88x = 10,547.72 × 2,645.92
  4. Step 4: Simplify right side
    7,028.88x = 27,908,423.30
  5. Step 5: Solve for x
    x = 27,908,423.30/7,028.88
  6. Step 6: Final answer
    x = 3,970.54

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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.