Home / 7,028.84-10,543.25-2,870.80

Finding the Fourth Proportional to 7,028.84, 10,543.25 and 2,870.80

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Solution

The fourth proportional to 7,028.84, 10,543.25 and 2,870.80 is: 4,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.84 : 10,543.25 = 2,870.80 : x
  2. Step 2: Convert to fraction form
    7,028.84/10,543.25 = 2,870.80/x
  3. Step 3: Cross multiply
    7,028.84x = 10,543.25 × 2,870.80
  4. Step 4: Simplify right side
    7,028.84x = 30,267,521.39
  5. Step 5: Solve for x
    x = 30,267,521.39/7,028.84
  6. Step 6: Final answer
    x = 4,306.19

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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.